Merge pull request #27 from stevschmid/master

Week numbers
adding a data-date to each cell
Merge pull request #28 from stevenbristol/master

Adding a data-date to each cell
Allows hiding of days in an another month
Merge pull request #29 from stevenbristol/master

Allows for hiding the days for the other months
Flipped the bit so it displays properly. d'oh!

The previous commit had days of other month not showing by default, breaking the existing behavior. This is proper now.
bumping version number