Drhuffman12/add team utils part 2

[drhuffman12]

This is a partial fix for #48 ; un-finished parts will be in future PR(s)!

• Reorg/refactor props and inits
• Add net mixers
  • Breeder class(es)
    • MiniNetBreeder < Breeder(MiniNet)
    • ChainBreeder < Breeder(Chain)
    • RnnSimpleBreeder < Breeder(RnnSimple)
    • (?) BackproagationBreeder < Breeder(Backproagation)
    • Add misc methods for picking delta
      • random (default)
      • based on some mix of both parent's error scores (ideal)
  • (?) TeamUtils
    • Should mix misc combo's of nets
    • Should use delta based on some mix of both parent's error scores
• Refactor/re-write Chain (?); e.g.:
• Fix spec_bench (re Chain?); e.g.:

  --------
    plot: ''
    error_stats.history: '[]'
  

• Code cleanup!
• Update version!!!