cleanup select-parser
Merge pull request #4 from deliciousrobots/cleanup-select-parser

cleanup select-parser. 

Fix to pnathan's derping.
Eliminate COND from nested loop.
Merge pull request #5 from deliciousrobots/optimize-selection

Eliminate COND from nested loop. 

Nice work. Clearly late night coding is suboptimal.
Removed the WHILE macro: dead code.
* cl-linq.lisp (select-columns): Easier to read
Added unit test framework.

Moved the unit test into the framework from cl-linq.lisp
Comment fixes.