Fixed bug in fit3states (g-->g0), refactored on phase fitting (errOnPhase replaces err4on and err6on) and changed lmfit import to only import the required functions and classes.
Fixed bug in fit3states (g-->g0), refactored on phase fitting (errOnPhase replaces err4on and err6on) and changed lmfit import to only import the required functions and classes.

ProjectPyRhO/PyRhO,ProjectPyRhO/PyRhO