Renamed unitary_matrix() to propogators()
Renamed unitary_matrix() to propogators()
Renamed unitary_matrix() to propogators()
Edited docstring
Edited docstring
Increased iterations to 750 for all tests
Edited docstring
Fixed indent
Changed criteria for raising not implemented error
Modifief cqed to make it work
Added module for qubits
Added unit test for cqed
Added method to initialize qubit states
Merge pull request #178 from anubhavvardhan/quantum_circuit

Renamed unitary_matrix() to propagators