vcard_validators.py: use precompile regexes
Fix #3: Validate 'VERSION' property
vcard_validators: Removed superfluous .lower()
Run pep8 as part of testing
Register Git submodule in PyCharm
Fix wrong documentation
Install and use pep8 in virtualenv
Merge branch 'refactor/17_precompiled_regex' of git://github.com/Zearin/vcard into Zearin-refactor/17_precompiled_regex
Fix missing newline for pep8
Merge branch 'bugs/3_validate_version' of git://github.com/Zearin/vcard into Zearin-bugs/3_validate_version
Move tests to module subdirectory
Remove unreferenced file
Credit Zearin for the work done on this module