Remove unnecessary tzdata files
Add Date.month_to_num
Add Date.day_to_num
Merge branch 'master' of github.com:bitwalker/timex
Rename TimeFormatter.ex
Move Date.Converstions and Date.Helpers into their own files
Move contents of Date.Helper to Date.Helpers
Reorganize Date.Conversions
Merge branch 'master' of github.com:bitwalker/timex
Add more complete timezone support
Fix bug in timezone data reader
Fix bug in Timezone.diff
Remove faulty test logic