Reflected changes in libdynd
Merge pull request #152 from izaid/expr

Reflected changes in libdynd
Update to reflect make_assignment_kernel change
Merge pull request #154 from mwiebe/mak

Update to reflect make_assignment_kernel change
Update for libdynd tuple_assign change, fix up dtype='(...)' case
Merge pull request #155 from mwiebe/tuple_assign

Update for libdynd tuple_assign change, fix up dtype='(...)' case