added failed examples from Bart Kiers
fixed ugly string literal issue
fix for the [] issue
fix for missing last EOL issue
bug fixes
oops
Added a UCB Logo grammar.
update grammar to one Sam put together that closely follows the spec.
First 5 lines are mangled
Large repetition at the end; small typos
Added new grammar - tnsnames.g4 - to parse an Oracle 11gR2 tnsnames.ora file