some cleanup
TestSort is back cc @namin
fix extra quote from 88e2c2f864984583c4adc1c573262541d7fcc3c7
bug in speculative loop opt
Merge pull request #75 from alexeyr/array-fixes

Array fixes
may need to override, cannot be private
enables short circuiting for boolean ops
Fix typo
Improved .gitignore
Merge remote-tracking branch 'upstream/develop' into scalan-develop