Merge branch 'u/mantepse/a_bijectionist_s_toolkit' of https://github.com/sagemath/sagetrac-mirror into develop

Author: mantepse

src/doc/en/reference/combinat/module_list.rst

@@ -22,6 +22,7 @@ Comprehensive Module List
     sage/combinat/alternating_sign_matrix
     sage/combinat/backtrack
     sage/combinat/baxter_permutations
+    sage/combinat/bijectionist
     sage/combinat/binary_recurrence_sequences
     sage/combinat/binary_tree
     sage/combinat/blob_algebra

src/sage/combinat/all.py

@@ -27,6 +27,7 @@
 - :ref:`sage.combinat.designs.all`
 - :ref:`sage.combinat.posets.all`
 - :ref:`sage.combinat.words`
+- :ref:`sage.combinat.bijectionist`
 
 Utilities
 ---------
@@ -298,3 +299,6 @@
 
 # Path Tableaux
 lazy_import('sage.combinat.path_tableaux', 'catalog', as_='path_tableaux')
+
+# Bijectionist
+lazy_import('sage.combinat.bijectionist', 'Bijectionist')