v2.5.0

v2.5.0, 2017-02-11

Internal improvements, type hints, documentation and a new strategy

• New strategy: ShortMem
  #857
• A number of type hints added to the library
  #828
  #831
  #832
  #833
  #834
  #835
  #836
  #840
  #846
  #847
  #849
  #850
  #851
  #853
  #854
  #856
  #858
  #824
  #821
  #815
  #814
• internal improvement to how players are cloned
  #817
• Refactor/removal of dynamic classes
  #852
• Run windows CI for py3.6
  #844
• Run mypi on travis
  #843
  #837
• Small update to the readme
  #829
• Docstring fix for random
  #826
• Improve efficiency of neural network strategy
  #819
• Improve efficiency of cycle detection
  #809
• Refactor of a number of tests and test documentation
  #820
• Large refactor thanks to dropping of python 2
  #818

Here are all the commits for this PR:
v2.4.0...v2.5.0