Update to allow python as early as 3.6

Author: dvanderweele

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8]
+        python-version: [3.6, 3.7, 3.8]
         poetry-version: [1.1.6]
       fail-fast: false
 

README.md

@@ -3,13 +3,13 @@
 
 # *dbml_sqlite*
 
-**v0.2.1**
+**v0.2.2**
 
 This is a simple package built on top of [the PyDBML package by Vanderhoof](https://github.com/Vanderhoof/PyDBML). It allows you, within certain constraints, to generate valid SQLite from `.dbml` files for your Python programs.
 
 ## Installation
 
-You'll need Python 3.x.
+You'll need Python 3.6 or higher.
 
 ```
 pip install dbml_sqlite

dist/DBML_SQLite-0.2.2-py3-none-any.whl

@@ -1,14 +1,14 @@
 [tool.poetry]
 name = "DBML_SQLite"
-version = "0.2.1"
+version = "0.2.2"
 description = "A package that provides a CLI tool and a functional API for converting dbml files to SQLite DDL."
 authors = ["Dave VanderWeele <weele.me@gmail.com>"]
 repository = 'https://github.com/dvanderweele/DBML_SQLite'
 documentation = 'https://github.com/dvanderweele/DBML_SQLite/blob/main/README.md'
 keywords = ['dbml', 'sqlite', 'ddl']
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.6"
 pydbml = "^0.3.4"
 click = "^8.0.0"