ENH: Added bool_ops.h file which wraps npy_bool data to handle bool operations.
ENH: numpy.i & sparsetools.i interface files now include the bool_ops.h file to handle the npy_bool dtype.
ENH: Regenerated *.py and *.cxx files with SWIG
TST: Added tests for .toarray() & .todense() methods for dtype=bool spmatrices.
MAINT: Removed extraneous #include <iostream>
Merge pull request #2527 from cowlicks/bool-dtype-support

ENH: sparse: initial bool dtype support in SWIG+sparsetools