v4.0b
v4.0b

Fixes:
	- Merge function:
		*no longer has the potential to truncate super long lines.
		*no more issues with exclamation marks in user_pref lines.

Improvements:
	- Overall better performance due to ECHO syntax changes.
	- Merge function on steroids! Faster than ever, and no longer generates temporary files at all. As it always should have been.

Changes, Additions, Substractions:
	- Leading spaces are no longer ignored by the merge function. Lines to be merged must begin with user_pref.
	- Added header with name, author, version.
	- Added help sub-menu.
	- Added special message when no override files are found when using -multiOverrides.
	- Formatting changes.

ghacksuserjs/ghacks-user.js,ghacksuserjs/ghacks-user.js