fix Str.split2 (#27)
Merge pull request #29 from bleis-tift/fix-split2

fix Str.split2 (#27)
1.1
fix OptionBuilder.ReturnFrom (#30)
fix ResultBuilder.ReturnFrom and FailureBuilder.ReturnFrom (#30)
Merge pull request #31 from bleis-tift/fix-return-from-behavior

Fix return from behavior

#30