Add CI Integration
Updated Readme
Add ActiveSupport for timezones
Add Core functions
Figure out how to calculate Start of Retail Year
Add Dish gem for create POROs
Add More comprehensive tests for core functions
Passing Core functions
Remove unnecessary functions
Extra functions for calculating last year/season/quarter/period/week
Specs for Leap years
update version
Updated Readme & version
Merge pull request #1 from kitwalker12/master

Changes from Master branch