gams-mode 6.12

Full Changelog: 6.11...6.12

• Sligtly modified the behavior of gams-fill-paragraph.

• Added a command for opening online help for the gams model library.

• Bind C-c C-; to gams-comment-or-uncomment-region, which is an alias
  of comment-or-uncomment-region You can comment or uncomment a region
  with C-c C-;.

• Fixed the bug in systax highligting and automatic indentation.