changed margin of .cpx-tab
some improvements
added XML parser
[HTML] fixes in regular expressions
[XML] fixed keydown listener for ">"
[XML] fixed recognition of invalid brackets
added "indentByTabs" option
clean up some functions
improved setImmediate function
improved History class
fixed issue in Stream.eat

issue occurring when the first argument is not the same as stream.found
[Java] some tweaks
call afterEnterKey if it is defined in the parser
[Markdown] fixed lists recognition
[Markdown] added afterEnterKey method
[Markdown] fixed pattern
[Markdown] fixed custom font-size
improved auto-inserting of closing brackets
added "legacyScrollbars" option
added ability to load addons