Fixes issue 15.
Fixes issue 15.

New issue
Summary: Single quotes at start of line aren't properly prettified.
The new quote matcher doesn't handle open quotes at the start of a line
properly, or close quotes before punctuation.

H14/jsprettify,mrdomino/jsprettify,mrdomino/jsprettify,H14/jsprettify,H14/jsprettify,H14/jsprettify,mrdomino/jsprettify,mrdomino/jsprettify