1.0.5

• Added global time_zone option

1.0.4

• Added global week_start option
• Fixed bug with NULL values and series

1.0.3

• Fixed deprecation warning when used with will_paginate
• Fixed bug with DateTime series

1.0.2

• Added :start option for custom week start for group_by_week

1.0.1

• Fixed series for Rails

1.0.0

• First major release