Work on SQL column selection from table (record array)
Work on selecting columns from lazy SQL results
Work on blaze SQL notebook
Make sql example run
Fix name change
Fix sql printers to be a bit saner
move sql samples from top level
Check for variable dimensions correctly.
Remove bad skipif statements and skip if there is no db.
minor fixes to sql example
hack in not allowing for selecting into sql_array as if it were a labeled array
Merge pull request #174 from aterrel/sqlindex

Fix sql printing and selection
Fix doc update of datashape that was missed
Move lookup_previous function out of datashape project
Remove unused optional_decorator
Some cleanups, update for datashape tweak
Starting some tweaks, require name parameter in BlazeFunc(name)
Require a signature in @function decorator
Cleanups, remove @elementwise, @blaze_func
Eliminate the PY kernel type, default to CKERNEL