Merge branch 'develop' (early part)
added sorting function + protocol + default implementation + tests
was calling wrong function--fixed that
should work this time
testing to see why the build is failing
trying travis
trying travis
trying travis - commented out tests
trying travis - commented out default implementation
commented out multidimensional sorting
commented out multidimensional sort
mp/sort-array instead of just sort-array
removed an unnecessary line
set-column implemented

Protocol PColumnSetting created with set-column function
Default implementation added
double_array and persistent_vector implementation tests added
Merge pull request #116 from mattrepl/develop

Fixed the consistent shape check in convert-to-nested-vectors.
use latest Clojure RC
added first version of matlab-style array indexing and tests
added documentation for the provided extractors
dataset set-2d implementation bug fixed
compliance test for matrix mset added