allow line-range with disabled highlighting

GUI: added file watcher for new script pane

renamed ID prefix in outhtml_codefold plug-in to be compatible with -…

…a IDs

revised documentation

Merge pull request #19 from ahmedelgabri/extend-html-add-js-shebang

add .html, .twig & .jinja to HTML & js shebang for node

fixed Bash variable highlighting

fixed highlighting if a line continues after the nested code delimiter

GUI: punctuation fix