Use regular expressions instead of Lua patterns for find and replace editor commands.
Syntax files can now use regex or Lua patterns as before keeping backward compatibility for plugins.
* Indent enhancements.
* Fixed to match style guidelines.
* Added in useful explanatory comment.
* Changed which selection we're using, as we don't want this kind of wrapping to happen.
* Fixed bug involving lines full of whitespace.
* Removed unecessary commit.
* Actually reverted function, so that we don't screw up commenting.
* Fixed hard tab issue.
* Cleaned up tokenizer to make subsyntax operations more clear.
* Explanatory comments.
* Made it so push_subsyntax could be safely called elsewhere.
* Unified terminology.
* Minor bug fix.
* State is an incredibly vaguely named variable. Changed convention to represent what it actually is.
* Also changed function name.
* Fixed bug.
Added in a validation function which fires before submitting a command enter; found it incredibly irritating to try to open something, hit enter, only to be told I'd selected a directory, and then have to go through the whole process again. (#175)