Added Slice sampler to 2.3 code base
Incremented version number to 2.3.3
Tweaked Slicer to support vector-valued stochastics
Fixes to slice sampler
Added Slice sampler to 2.3 code base
Incremented version number to 2.3.3
Tweaked Slicer to support vector-valued stochastics
Fixes to slice sampler
Merge branch '2.3_slice' of github.com:pymc-devs/pymc into 2.3_slice
Ensured all tests passing
PEP8 compliance changes
Added documentation for the Slicer step method
Updated docs for 2.3.3 release
Merge pull request #557 from pymc-devs/2.3_slice

Slice sampler and 2.3.3 prep