[CRITICAL BUG] double quote

[lifaon74]

This commit (ca4a836#diff-ad82b5b82699c5afb1444512d08dd76b) introduces a critical bug (this lib doesn't work anymore)

// l.554
for (i=0; i<inputs.length; i++) {
  inputs[i] = '\'' + inputs[i] + '\'';
}
///... already done by inputs.map(utils.addQuotes)

You can see all the forks currently are for this unique fix purpose... Please remove lines or revert.

Always take care of testing before accepting pull requests ;). Thanks to you.

[nicolasbadia]

Fixed by #50 I believe.