Added some additional status output to matching to make it easier to find a failure.
Added tracking whether a symbol was parsed "naked" or not, and this is now used to determine whether a symbol is likely an operator.
Merge pull request #213 from sprowell/master

Minor fixes.
Fixed the previously-mentioned remaining bug on handling special symbols, I think.
Merge pull request #214 from sprowell/master

Fixed the previously-mentioned remaining bug on handling special symbols...