tensor products of maps

[sagetrac-mshimo]

Provides a constructor for tensor products of maps between free modules with basis.
Adds keyword arguments to covariant functorial constructions.

CC: @sagetrac-sage-combinat @nthiery @tscrim

Component: combinatorics

Keywords: tensor

Author: Mark Shimozono

Branch/Commit: public/categories/tensor_maps_rebased-15832 @ becb176

Issue created by migration from https://trac.sagemath.org/ticket/15832

[sagetrac-mshimo]

Dependencies: #15726

[sagetrac-mshimo]

Branch: public/categories/tensor_map/15832

[sagetrac-mshimo]

Description changed:

--- 
+++ 
@@ -1,2 +1,2 @@
 Provides a constructor for tensor products of maps between free modules with basis.
-Fixes an error in category-checking for the constructor for tensor products of modules. 
+Adds keyword arguments to covariant functorial constructions.

[sagetrac-mshimo]

Changed branch from public/categories/tensor_map/15832 to public/categories/tensor_maps-15832

[sagetrac-mshimo]

Commit: 8be52e6

[sagetrac-mshimo]

Changed dependencies from #15726 to none

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

ead84de

new tensor maps based on master

[sagetrac-git]

Changed commit from 8be52e6 to ead84de