added setting and printing of .merlin file
added EchoDotMerlin as a command. Fixed bug where addition is used instead of concatenation
Merge pull request #20 from rgrinberg/personal

Slightly easier .merlin handling in vim
Add position information to Syntaxerr.Escape_error
Handle Syntaxerr.Escape_error in error reporting
Catch and print lexer errors
vim: fix python errors [<-- py sucks]