Lots refactored, lots to go. Tablefiles are next, which is a big deal
More stdlib changes for #35, however, still need to rewrite some tests and try it out. Running with unit tests disabled left some unit test failures
Fixing first batch of tests
Bugfixes for failing tests
Formatting updates for parse tree traverser
Free verbose errors please!
Adding tests for the way table files are written with fixes in place for #35
Last updates to tests - reading from tables updated. This should fix #35
Regression revealed, not sure if caused by #35 fixes or something else. Test to prove it
Fixing regression caused by #35 or earlier
Update test to reveal bug
Fixing bug with aliases in exists statments
Fix typo
Fix #41
Merge branch 'optional-array-deambiguation'