Fixed up implementation of functor_arrfunc
Added non-copying of object with member function to functor_arrfunc
Added conditional ifdef to lambda elwise test
Added arguments to create, create_leaf, and init in general_ck
Minor changes to buffers with functor_ck
Merge pull request #141 from izaid/functor_arrfunc

Functor arrrunc refactor
Merge remote-tracking branch 'origin/master' into new_axis