Added docstrings for all classes defined by me and for the module.
Added docstrings for all classes defined by me and for the module.

utkbansal/tardis,Minhmo/tardis,wkerzendorf/tardis,kaushik94/tardis,aoifeboyle/tardis,mvnnn/tardis,mvnnn/tardis,orbitfold/tardis,mvnnn/tardis,orbitfold/tardis,rajul/tardis,utkbansal/tardis,aoifeboyle/tardis,kaushik94/tardis,wkerzendorf/tardis,kaushik94/tardis,Tobychev/tardis,mvnnn/tardis,aoifeboyle/tardis,Tobychev/tardis,wkerzendorf/tardis,orbitfold/tardis,rajul/tardis,Tobychev/tardis,orbitfold/tardis,Minhmo/tardis,rajul/tardis,rajul/tardis,utkbansal/tardis,Minhmo/tardis,kaushik94/tardis