Get fancy quotes “..” ‘..’ ”..” and #`{{ and #`{{ and #`｢ working and qx[] Qx[] Qw fixes

[samcv]

Quoting:

• Left double quote Right double quote “…”
• Right double quote Right double quote ”…”
• Left single quote Right single quote ‘…’

  Qx and qx:

• qx[] and Qx[] used to syntax highlight variables. Now they highlight like Q[] and q[]
• Q|w|ww|v|s|a|h|f|c|b|p now highlight properly.

  Multi line comments:

• Get these working: #`{{ and #`(( and #`｢

Other

• Highlight return-rw

Your comments are appreciated. Pictures attached. Before: After:

[MadcapJake]

Very cool! Let me give it a try and then I can merge and bump the version.