Merge pull request #5 from davidjb/master

Fix `day` functionality, Ensure `duration` works for same day + test improvement
Bump release
Testing with Travis CI
Added empty requirements.txt
Install pep8 and test translations
Compressed the date formats into ALL_DATE_FORMATS
PEP8 fixes
datetime.timedelta.total_seconds is only available since Python 2.7
Use pip to install build/test deps
Ignore PEP8 E128, sense it makes no
Use old-style string formatting for backward compatibility
Updated locales, as we shuffled strings around
Fixed rounding issues when dealing with floats in datetime.timedelta.microseconds
Include build status buttons
Eh, no POD coverage here
Bump release
Added IBAN printing
Added docstrings
Moved language functions to separate module
Various parser bug fixes