The month() function of the moment 'month' object only takes integers - passing it a string results in the month not changing when you select a new month.
Merge pull request #147 from epdejager/master

Fix Month Dropdown
Update moment.js to 2.1.0
Update moment.js to 2.1.0
re-add the parentEl option & fix how the default case is handled
Merge pull request #151 from elasticsales/restore-parent-el

Allow to specify daterangepicker element's parent (this time properly)
Merging upstream master in from 'master' of https://github.com/dangrossman/bootstrap-daterangepicker