use CurrentCulture decimal separator for xml weight floats

foundation is now on ground, with comments for future 4 sided foundations. Bug fix (adding upstream code that allows higher N with bigger training models)

remove Eppy Tuple classes

remove warnings and update some obsolute prefab api calls

be more specific about Tuple class (was throwing errors)

Merge branch 'optimization' of selfsame/unity-wave-function-collapse into master

complete fad1066b5000f7e9fbda0ef81bbea56799686670

Model changes from fad1066b5000f7e9fbda0ef81bbea56799686670

Compile in RecordNeighbors (needs to be compiled)

upstream /3bd36bf5fd01f4e3494cc82076aea959540b68a8

2017.3 api breaking changes

revert foundation code mis-commit

SimpleTiledModel comp uses a Text Asset for xml instead of file path

Merge pull request #7 from selfsame/2d

fix training record neighbors on edges (#6)