Prepare for release v0.7.2

I decided it was most important right now to make sure the project has a good descriptive tagline for display on Github and PyPi

setup.py

@@ -26,7 +26,7 @@ def parse_requirements(filepath):
 
 setup(
  name='basest',
- version='0.7.2.dev1',
+ version='0.7.2',
  description=(
  'Arbitrary base binary-to-text encoder (any base to any base)'
  ),