v4.7.0

v4.7.0, 2019-10-23

New Moran process mechanics, new strategy implementations, drop support for
python 3.5 and various minor fixes.

• Drop support for python 3.5:
  #1255
  #1254
• New strategies:
  #1263
• Bug fix:
  #1260
• Documentation fixes:
  #1266
  #1262
• Implement Evolvable Player for Moran processes:
  #1267
  #1256
• Update citations: #1249

v4.7.0...v4.6.0