Added new sub-version number, changing this to 2.0.0-beta.
Added new sub-version number, changing this to 2.0.0-beta.

Lnaden/pymbar,kyleabeauchamp/pymbar,mrshirts/pymbar,choderalab/pymbar,wesbarnett/pymbar,Lnaden/pymbar,wesbarnett/pymbar,mrshirts/pymbar,jchodera/pymbar,mrshirts/pymbar,jchodera/pymbar,jchodera/pymbar,wesbarnett/pymbar,wesbarnett/pymbar,jchodera/pymbar,choderalab/pymbar,kyleabeauchamp/pymbar,Lnaden/pymbar,kyleabeauchamp/pymbar,mrshirts/pymbar,kyleabeauchamp/pymbar,choderalab/pymbar