Merge branch 'eval_components' of github.com:Tillsten/lmfit-py
add CompositeModel, support '+', '-', '*', '/' of models
Merge branch 'master' of https://github.com/lmfit/lmfit-py
a few more tweaks for CompositeModel
Ahh, 'components' must be a property
OrderedDict from CompositeModel.eval_components
format Name collision error to show all collisions
use operator module for CompositeModel
use prefix as default key for Model.eval_components(), and pass params!
use operator.truediv (needed for py3, thanks TravisCI!)
improve repr string
add __truediv__ for python3 support
improved docs for model / CompositeModel
removed cruft
remove cruft
allow any operator function for CompositeModel
add convolution exmple using custom CompositeModel operator
add CompositeModel to __init__.py
updated docs for CompositeModel
spellchecked docs