ENH: Moving from KDTree to cKDTree
ENH: handle the case of an ergodic distribution where one state has 0 probability
Merge pull request #462 from sjsrey/sm

ENH: handle the case of an ergodic distribution where one state has 0 probability
updating gitignore
Merge pull request #463 from sjsrey/ignore_git

updating gitignore
Update installation.rst
made the __iter__ method us a generator
BUG: remapping ids and fixing mismatch of ids in higher_order
Fixing #449 for regular weights - need to check for sparse class (wsp)
Fixed remapping and updating the cache when remapping ids
adjusting for side effects induced by fixing #449
Merge pull request #469 from sjsrey/idfix

Idfix for #449
fixing order of args for api consistency. new keyword args should be added to
the end of the function arg list.
Merge pull request #470 from sjsrey/wsig

fixing order of args for api consistency.
Adding docstrings and error check to fix #471
Merge pull request #475 from darribas/fix471

Adding docstrings and error check to fix #471
redefining w.remap_ids to take only a single arg
Merge pull request #476 from sjsrey/e473

redefining w.remap_ids to take only a single arg
turning off spreg tests for sprints

will add ticket to undo this after sprints
proper syntax