ADD test_experiment.py
Move figure extension default to fileIO
Fix curvefit typo
Refactoring to be more functional and remove circular dependencies on fplot
shell.fig() defaults to no title; removing experiment/shell redundancy
ADD db.api.with_() for pymongo.find field selection
Moving fitfuncs from curvefit to fec
Removing shell.all alias of fplot.stockall
nesteddict.update() preserves nesting
fplot renaming/improvements
Fix fplot.segmented; extract subplots()/sharex() funcs