Fixes Lookbehind Bug

The left-hanging punctuation code used regex lookbehind, which isn't available in Safari on desktop or mobile, breaking unjustifiable in those browsers. This release removes that requirement, restoring functionality in Safari.

Left-margin hanging punctuation

Adds dangling punctuation for the left margin, for single and double open-quotes.

1.0.6

Fixes bug caused by words or phrases styled to have different heights, in which a new line was triggered immediately before or after the shorter-height word.

v1.0.1

Publishes a fix to the README example code.