Coding style is fixed (issue #5)
Fixed highlighting of the mixed tab-space usage (Issue #2)
Added BufNewFile event handling (Issue #4)
fixed highlighting issue in help files (Issue #6)
Added disabling of the plugin (Issue #1), improved filetype check (Issue #7)
Documentation update
Readme updated
Added `textwidth` option check (Issue #8)
Plugin documentation updated
Added WinEnter event handling to (Issue #10)
README updated
Merge branch 'dev' into 0.5.1

Conflicts:
	README.md
	doc/filestyle.txt
Separated highlighting for different cases (Issue #3)
Fixed regular expression for spaces highlighting
Merge branch 'dev' into 0.5.1
Documentation update
README updated
README updated