Improved logging in parser -- allow log level to be specified in command-line, default is 'WARNING'.  Log file 'parser.log' will overwrite itself on each run, and not write anything if no warnings/errors are produced.  This dramatically speeds up the parser in the default case.
Makefile for eval is no longer horrible and producing a literal '*.o' file  o_O  I should really learn make legit, but I'd rather just replace it...
Major evaluator improvements including logging, elimination of parens and semicolon, correct parse tree and cleaning thereof, and framework to actually evaluate code.