Fixes for package uploading

Author: devfans

.travis.yml

@@ -2,5 +2,5 @@ language: python
 cache: pip
 python:
   - "3.6"
-  - "3.5"
+  - "3.7"
 script: python setup.py build

README.md

@@ -30,7 +30,8 @@ python3 -m pip install electrum-scripting
 
 ## Get Started
 
-```python
+```
+
 > from electrum_scripting.wallet import WalletScripting as ws
 
 # Call electrum command

setup.py

@@ -15,11 +15,13 @@
     version=electrum_scripting.__VERSION__,
     description="Electrum wallet scripting interface wrapper",
     long_description=long_description,
+    long_description_content_type='text/markdown',
     classifiers=[
         'License :: OSI Approved :: MIT License',
-        'Topic :: Internet :: Crypto :: Wallet',
+        'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
+        'Topic :: Software Development',
         'Programming Language :: Python :: 3',
-        'Environment :: Linux Environment',
+        'Environment :: Web Environment',
         'Intended Audience :: Developers',
         'Operating System :: OS Independent',
     ],