First few tests added.
Added more tests. Step commit.
More tests!
Making progress, saving progress.
Saving working commit.
Change to table, more tests.
Back to working commit. Refactoring to follow later.
Test build on latest refactoring.
Tests, changes
Two more to go! Build checker commit.
Final commit. Ready for review.
First of final fixes.
Removed TableExpr dtype
Reverted to old property.
Fixing Merge Conflicts
Merge pull request #642 from brittainhard/test_table

[WIP] Test table coverage