diff --git a/composer.lock b/composer.lock
index df1542c..50695a9 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,10 +1,9 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "hash": "9dcb5ea372f347ac6ecd8e1518700b39",
     "content-hash": "a4107bddb4bdc483343b7806a93304e3",
     "packages": [
         {
@@ -32,7 +31,7 @@
                 "MIT"
             ],
             "description": "Promoting the interoperability of container objects (DIC, SL, etc.)",
-            "time": "2014-12-30 15:22:37"
+            "time": "2014-12-30T15:22:37+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",
@@ -94,7 +93,7 @@
                 "rest",
                 "web service"
             ],
-            "time": "2016-10-08 15:01:37"
+            "time": "2016-10-08T15:01:37+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -145,7 +144,7 @@
             "keywords": [
                 "promise"
             ],
-            "time": "2016-05-18 16:56:05"
+            "time": "2016-05-18T16:56:05+00:00"
         },
         {
             "name": "guzzlehttp/psr7",
@@ -203,7 +202,7 @@
                 "stream",
                 "uri"
             ],
-            "time": "2016-06-24 23:00:38"
+            "time": "2016-06-24T23:00:38+00:00"
         },
         {
             "name": "hassankhan/config",
@@ -260,7 +259,7 @@
                 "yaml",
                 "yml"
             ],
-            "time": "2016-02-11 16:21:17"
+            "time": "2016-02-11T16:21:17+00:00"
         },
         {
             "name": "monolog/monolog",
@@ -338,7 +337,7 @@
                 "logging",
                 "psr-3"
             ],
-            "time": "2016-07-29 03:23:52"
+            "time": "2016-07-29T03:23:52+00:00"
         },
         {
             "name": "nikic/fast-route",
@@ -381,7 +380,7 @@
                 "router",
                 "routing"
             ],
-            "time": "2016-06-12 19:08:51"
+            "time": "2016-06-12T19:08:51+00:00"
         },
         {
             "name": "oscarotero/psr7-middlewares",
@@ -477,7 +476,7 @@
                 "psr-7",
                 "psr-messages"
             ],
-            "time": "2016-11-05 09:32:14"
+            "time": "2016-11-05T09:32:14+00:00"
         },
         {
             "name": "paragonie/random_compat",
@@ -525,7 +524,7 @@
                 "pseudorandom",
                 "random"
             ],
-            "time": "2016-11-07 23:38:38"
+            "time": "2016-11-07T23:38:38+00:00"
         },
         {
             "name": "patchwork/utf8",
@@ -584,7 +583,7 @@
                 "utf-8",
                 "utf8"
             ],
-            "time": "2016-05-18 13:57:10"
+            "time": "2016-05-18T13:57:10+00:00"
         },
         {
             "name": "php-di/invoker",
@@ -627,7 +626,7 @@
                 "invoke",
                 "invoker"
             ],
-            "time": "2016-07-14 13:09:58"
+            "time": "2016-07-14T13:09:58+00:00"
         },
         {
             "name": "php-di/php-di",
@@ -687,7 +686,7 @@
                 "dependency injection",
                 "di"
             ],
-            "time": "2016-08-23 20:18:00"
+            "time": "2016-08-23T20:18:00+00:00"
         },
         {
             "name": "php-di/phpdoc-reader",
@@ -724,7 +723,7 @@
                 "phpdoc",
                 "reflection"
             ],
-            "time": "2015-11-29 10:34:25"
+            "time": "2015-11-29T10:34:25+00:00"
         },
         {
             "name": "php-di/slim-bridge",
@@ -760,7 +759,7 @@
                 "MIT"
             ],
             "description": "PHP-DI integration in Slim",
-            "time": "2016-09-02 22:21:13"
+            "time": "2016-09-02T22:21:13+00:00"
         },
         {
             "name": "php-http/guzzle6-adapter",
@@ -820,7 +819,7 @@
                 "Guzzle",
                 "http"
             ],
-            "time": "2016-05-10 06:13:32"
+            "time": "2016-05-10T06:13:32+00:00"
         },
         {
             "name": "php-http/httplug",
@@ -876,7 +875,7 @@
                 "client",
                 "http"
             ],
-            "time": "2016-08-31 08:30:17"
+            "time": "2016-08-31T08:30:17+00:00"
         },
         {
             "name": "php-http/promise",
@@ -926,7 +925,7 @@
             "keywords": [
                 "promise"
             ],
-            "time": "2016-01-26 13:27:02"
+            "time": "2016-01-26T13:27:02+00:00"
         },
         {
             "name": "pimple/pimple",
@@ -972,7 +971,7 @@
                 "container",
                 "dependency injection"
             ],
-            "time": "2015-09-11 15:10:35"
+            "time": "2015-09-11T15:10:35+00:00"
         },
         {
             "name": "propel/propel",
@@ -1037,7 +1036,7 @@
                 "orm",
                 "persistence"
             ],
-            "time": "2016-11-16 19:55:43"
+            "time": "2016-11-16T19:55:43+00:00"
         },
         {
             "name": "psr/http-message",
@@ -1087,7 +1086,7 @@
                 "request",
                 "response"
             ],
-            "time": "2016-08-06 14:39:51"
+            "time": "2016-08-06T14:39:51+00:00"
         },
         {
             "name": "psr/log",
@@ -1134,7 +1133,7 @@
                 "psr",
                 "psr-3"
             ],
-            "time": "2016-10-10 12:19:37"
+            "time": "2016-10-10T12:19:37+00:00"
         },
         {
             "name": "slim/csrf",
@@ -1184,7 +1183,7 @@
                 "middleware",
                 "slim"
             ],
-            "time": "2016-06-08 18:26:56"
+            "time": "2016-06-08T18:26:56+00:00"
         },
         {
             "name": "slim/flash",
@@ -1229,7 +1228,7 @@
                 "provider",
                 "slim"
             ],
-            "time": "2015-08-16 22:49:06"
+            "time": "2015-08-16T22:49:06+00:00"
         },
         {
             "name": "slim/slim",
@@ -1299,7 +1298,7 @@
                 "micro",
                 "router"
             ],
-            "time": "2016-07-26 15:12:13"
+            "time": "2016-07-26T15:12:13+00:00"
         },
         {
             "name": "slim/twig-view",
@@ -1349,7 +1348,7 @@
                 "twig",
                 "view"
             ],
-            "time": "2016-03-13 20:58:41"
+            "time": "2016-03-13T20:58:41+00:00"
         },
         {
             "name": "symfony/config",
@@ -1402,7 +1401,7 @@
             ],
             "description": "Symfony Config Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-25 08:27:07"
+            "time": "2016-09-25T08:27:07+00:00"
         },
         {
             "name": "symfony/console",
@@ -1463,7 +1462,7 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2016-10-06 01:44:51"
+            "time": "2016-10-06T01:44:51+00:00"
         },
         {
             "name": "symfony/debug",
@@ -1520,7 +1519,7 @@
             ],
             "description": "Symfony Debug Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-06 11:02:40"
+            "time": "2016-09-06T11:02:40+00:00"
         },
         {
             "name": "symfony/filesystem",
@@ -1569,7 +1568,7 @@
             ],
             "description": "Symfony Filesystem Component",
             "homepage": "https://symfony.com",
-            "time": "2016-10-18 04:30:12"
+            "time": "2016-10-18T04:30:12+00:00"
         },
         {
             "name": "symfony/finder",
@@ -1618,7 +1617,7 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-28 00:11:12"
+            "time": "2016-09-28T00:11:12+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
@@ -1677,7 +1676,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2016-11-14 01:06:16"
+            "time": "2016-11-14T01:06:16+00:00"
         },
         {
             "name": "symfony/translation",
@@ -1741,7 +1740,7 @@
             ],
             "description": "Symfony Translation Component",
             "homepage": "https://symfony.com",
-            "time": "2016-10-18 04:30:12"
+            "time": "2016-10-18T04:30:12+00:00"
         },
         {
             "name": "symfony/validator",
@@ -1815,7 +1814,7 @@
             ],
             "description": "Symfony Validator Component",
             "homepage": "https://symfony.com",
-            "time": "2016-10-19 22:38:53"
+            "time": "2016-10-19T22:38:53+00:00"
         },
         {
             "name": "symfony/var-dumper",
@@ -1874,7 +1873,7 @@
                 "debug",
                 "dump"
             ],
-            "time": "2016-10-06 08:40:01"
+            "time": "2016-10-06T08:40:01+00:00"
         },
         {
             "name": "symfony/yaml",
@@ -1923,7 +1922,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2016-10-24 18:41:13"
+            "time": "2016-10-24T18:41:13+00:00"
         },
         {
             "name": "twig/extensions",
@@ -1975,7 +1974,7 @@
                 "i18n",
                 "text"
             ],
-            "time": "2016-10-25 17:34:14"
+            "time": "2016-10-25T17:34:14+00:00"
         },
         {
             "name": "twig/twig",
@@ -2036,7 +2035,7 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2016-11-17 17:46:53"
+            "time": "2016-11-17T17:46:53+00:00"
         }
     ],
     "packages-dev": [
@@ -2097,7 +2096,7 @@
                 "gherkin",
                 "parser"
             ],
-            "time": "2016-10-30 11:50:56"
+            "time": "2016-10-30T11:50:56+00:00"
         },
         {
             "name": "codeception/codeception",
@@ -2188,7 +2187,7 @@
                 "functional testing",
                 "unit testing"
             ],
-            "time": "2016-10-27 00:00:34"
+            "time": "2016-10-27T00:00:34+00:00"
         },
         {
             "name": "codeception/phpbuiltinserver",
@@ -2228,7 +2227,7 @@
             "keywords": [
                 "codeception"
             ],
-            "time": "2016-01-14 00:29:41"
+            "time": "2016-01-14T00:29:41+00:00"
         },
         {
             "name": "codeception/specify",
@@ -2265,7 +2264,7 @@
                 }
             ],
             "description": "BDD code blocks for PHPUnit and Codeception",
-            "time": "2016-10-17 22:28:20"
+            "time": "2016-10-17T22:28:20+00:00"
         },
         {
             "name": "codeception/verify",
@@ -2301,7 +2300,7 @@
                 }
             ],
             "description": "BDD assertion library for PHPUnit",
-            "time": "2016-08-29 22:49:25"
+            "time": "2016-08-29T22:49:25+00:00"
         },
         {
             "name": "doctrine/instantiator",
@@ -2355,7 +2354,7 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2015-06-14 21:17:01"
+            "time": "2015-06-14T21:17:01+00:00"
         },
         {
             "name": "facebook/webdriver",
@@ -2402,7 +2401,7 @@
                 "selenium",
                 "webdriver"
             ],
-            "time": "2016-10-14 15:16:51"
+            "time": "2016-10-14T15:16:51+00:00"
         },
         {
             "name": "myclabs/deep-copy",
@@ -2444,7 +2443,7 @@
                 "object",
                 "object graph"
             ],
-            "time": "2016-10-31 17:19:45"
+            "time": "2016-10-31T17:19:45+00:00"
         },
         {
             "name": "phpdocumentor/reflection-common",
@@ -2498,7 +2497,7 @@
                 "reflection",
                 "static analysis"
             ],
-            "time": "2015-12-27 11:43:31"
+            "time": "2015-12-27T11:43:31+00:00"
         },
         {
             "name": "phpdocumentor/reflection-docblock",
@@ -2543,7 +2542,7 @@
                 }
             ],
             "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
-            "time": "2016-09-30 07:12:33"
+            "time": "2016-09-30T07:12:33+00:00"
         },
         {
             "name": "phpdocumentor/type-resolver",
@@ -2590,20 +2589,20 @@
                     "email": "me@mikevanriel.com"
                 }
             ],
-            "time": "2016-06-10 07:14:17"
+            "time": "2016-06-10T07:14:17+00:00"
         },
         {
             "name": "phpseclib/phpseclib",
-            "version": "2.0.4",
+            "version": "2.0.55",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "ab8028c93c03cc8d9c824efa75dc94f1db2369bf"
+                "reference": "d73c9e019a895be83b18a2ccccfa7e2b0a648743"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/ab8028c93c03cc8d9c824efa75dc94f1db2369bf",
-                "reference": "ab8028c93c03cc8d9c824efa75dc94f1db2369bf",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/d73c9e019a895be83b18a2ccccfa7e2b0a648743",
+                "reference": "d73c9e019a895be83b18a2ccccfa7e2b0a648743",
                 "shasum": ""
             },
             "require": {
@@ -2611,15 +2610,15 @@
             },
             "require-dev": {
                 "phing/phing": "~2.7",
-                "phpunit/phpunit": "~4.0",
-                "sami/sami": "~2.0",
+                "phpunit/phpunit": "^4.8.35|^5.7|^6.0|^8.5|^9.4",
                 "squizlabs/php_codesniffer": "~2.0"
             },
             "suggest": {
                 "ext-gmp": "Install the GMP (GNU Multiple Precision) extension in order to speed up arbitrary precision integer arithmetic operations.",
                 "ext-libsodium": "SSH2/SFTP can make use of some algorithms provided by the libsodium-php extension.",
                 "ext-mcrypt": "Install the Mcrypt extension in order to speed up a few other cryptographic operations.",
-                "ext-openssl": "Install the OpenSSL extension in order to speed up a wide variety of cryptographic operations."
+                "ext-openssl": "Install the OpenSSL extension in order to speed up a wide variety of cryptographic operations.",
+                "ext-xml": "Install the XML extension to load XML formatted public keys."
             },
             "type": "library",
             "autoload": {
@@ -2682,7 +2681,25 @@
                 "x.509",
                 "x509"
             ],
-            "time": "2016-10-04 00:57:04"
+            "support": {
+                "issues": "https://github.com/phpseclib/phpseclib/issues",
+                "source": "https://github.com/phpseclib/phpseclib/tree/2.0.55"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/terrafrost",
+                    "type": "github"
+                },
+                {
+                    "url": "https://www.patreon.com/phpseclib",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/phpseclib/phpseclib",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2026-06-14T19:53:12+00:00"
         },
         {
             "name": "phpspec/prophecy",
@@ -2744,7 +2761,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2016-06-07 08:13:47"
+            "time": "2016-06-07T08:13:47+00:00"
         },
         {
             "name": "phpunit/dbunit",
@@ -2799,7 +2816,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2015-11-03 11:17:01"
+            "time": "2015-11-03T11:17:01+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -2862,7 +2879,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2016-05-27 16:24:29"
+            "time": "2016-05-27T16:24:29+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -2909,7 +2926,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2015-06-21 13:08:43"
+            "time": "2015-06-21T13:08:43+00:00"
         },
         {
             "name": "phpunit/php-text-template",
@@ -2950,7 +2967,7 @@
             "keywords": [
                 "template"
             ],
-            "time": "2015-06-21 13:50:34"
+            "time": "2015-06-21T13:50:34+00:00"
         },
         {
             "name": "phpunit/php-timer",
@@ -2994,7 +3011,7 @@
             "keywords": [
                 "timer"
             ],
-            "time": "2016-05-12 18:03:57"
+            "time": "2016-05-12T18:03:57+00:00"
         },
         {
             "name": "phpunit/php-token-stream",
@@ -3043,7 +3060,7 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2016-11-15 14:06:22"
+            "time": "2016-11-15T14:06:22+00:00"
         },
         {
             "name": "phpunit/phpunit",
@@ -3118,7 +3135,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2016-06-03 09:42:56"
+            "time": "2016-06-03T09:42:56+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
@@ -3174,7 +3191,7 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2016-04-20 14:39:26"
+            "time": "2016-04-20T14:39:26+00:00"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
@@ -3219,7 +3236,7 @@
             ],
             "description": "Looks up which function or method a line of code belongs to",
             "homepage": "https://github.com/sebastianbergmann/code-unit-reverse-lookup/",
-            "time": "2016-02-13 06:45:14"
+            "time": "2016-02-13T06:45:14+00:00"
         },
         {
             "name": "sebastian/comparator",
@@ -3283,7 +3300,7 @@
                 "compare",
                 "equality"
             ],
-            "time": "2016-11-17 14:39:37"
+            "time": "2016-11-17T14:39:37+00:00"
         },
         {
             "name": "sebastian/diff",
@@ -3335,7 +3352,7 @@
             "keywords": [
                 "diff"
             ],
-            "time": "2015-12-08 07:14:41"
+            "time": "2015-12-08T07:14:41+00:00"
         },
         {
             "name": "sebastian/environment",
@@ -3385,7 +3402,7 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2016-08-18 05:49:44"
+            "time": "2016-08-18T05:49:44+00:00"
         },
         {
             "name": "sebastian/exporter",
@@ -3452,7 +3469,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2016-06-17 09:04:28"
+            "time": "2016-06-17T09:04:28+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -3503,7 +3520,7 @@
             "keywords": [
                 "global state"
             ],
-            "time": "2015-10-12 03:26:01"
+            "time": "2015-10-12T03:26:01+00:00"
         },
         {
             "name": "sebastian/object-enumerator",
@@ -3549,7 +3566,7 @@
             ],
             "description": "Traverses array structures and object graphs to enumerate all referenced objects",
             "homepage": "https://github.com/sebastianbergmann/object-enumerator/",
-            "time": "2016-11-16 07:17:31"
+            "time": "2016-11-16T07:17:31+00:00"
         },
         {
             "name": "sebastian/recursion-context",
@@ -3602,7 +3619,7 @@
             ],
             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2016-11-15 06:55:36"
+            "time": "2016-11-15T06:55:36+00:00"
         },
         {
             "name": "sebastian/resource-operations",
@@ -3644,7 +3661,7 @@
             ],
             "description": "Provides a list of PHP built-in functions that operate on resources",
             "homepage": "https://www.github.com/sebastianbergmann/resource-operations",
-            "time": "2015-07-28 20:34:47"
+            "time": "2015-07-28T20:34:47+00:00"
         },
         {
             "name": "sebastian/version",
@@ -3687,7 +3704,7 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2016-02-04 12:56:52"
+            "time": "2016-02-04T12:56:52+00:00"
         },
         {
             "name": "squizlabs/php_codesniffer",
@@ -3765,7 +3782,7 @@
                 "phpcs",
                 "standards"
             ],
-            "time": "2016-09-01 23:53:02"
+            "time": "2016-09-01T23:53:02+00:00"
         },
         {
             "name": "symfony/browser-kit",
@@ -3822,7 +3839,7 @@
             ],
             "description": "Symfony BrowserKit Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-06 11:02:40"
+            "time": "2016-09-06T11:02:40+00:00"
         },
         {
             "name": "symfony/css-selector",
@@ -3875,7 +3892,7 @@
             ],
             "description": "Symfony CssSelector Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-06 11:02:40"
+            "time": "2016-09-06T11:02:40+00:00"
         },
         {
             "name": "symfony/dom-crawler",
@@ -3931,7 +3948,7 @@
             ],
             "description": "Symfony DomCrawler Component",
             "homepage": "https://symfony.com",
-            "time": "2016-10-18 15:46:07"
+            "time": "2016-10-18T15:46:07+00:00"
         },
         {
             "name": "symfony/event-dispatcher",
@@ -3991,7 +4008,7 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2016-10-13 06:28:43"
+            "time": "2016-10-13T06:28:43+00:00"
         },
         {
             "name": "symfony/process",
@@ -4040,7 +4057,7 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2016-09-29 14:13:09"
+            "time": "2016-09-29T14:13:09+00:00"
         },
         {
             "name": "webmozart/assert",
@@ -4090,7 +4107,7 @@
                 "check",
                 "validate"
             ],
-            "time": "2016-08-09 15:02:57"
+            "time": "2016-08-09T15:02:57+00:00"
         }
     ],
     "aliases": [],
@@ -4103,5 +4120,6 @@
     "platform": {
         "php": ">=5.6"
     },
-    "platform-dev": []
+    "platform-dev": {},
+    "plugin-api-version": "2.9.0"
 }