added some tasks to binarycpython c sourcecode

src/binary_c_python.c

@@ -37,6 +37,16 @@
  * TODO: Put in clear debug statements
  * TODO: properly return stderr
  * TODO: describe all functions with docstrings
+ * TODO: properly pass through all the pointers using Capsules:  
+    https://docs.python.org/3.6/c-api/capsule.html#c.PyCapsule_New
+    https://gist.github.com/Sleepingwell/5259476
+    https://bfroehle.com/2011/07/18/python-capsules/
+    https://docs.python.domainunion.de/3.6/howto/cporting.html
+    https://lappweb.in2p3.fr/~paubert/ASTERICS_HPC/5-6-3-651.html
+    https://www.geeksforgeeks.org/c-api-from-extension-module-in-python-set-1/
+    http://pageperso.lif.univ-mrs.fr/~francois.denis/IAAM1/python-3.6.5rc1-docs-html/howto/cporting.html
+    http://python3porting.com/cextensions.html
+    
  */