PATCHES: Mention the unit tests

Signed-off-by: Uli Schlachter <psychon@znc.in>
gears.color: Add a way to bypass the pattern cache

Signed-off-by: Uli Schlachter <psychon@znc.in>
gears.color: Use proper references in the doc comments

Signed-off-by: Uli Schlachter <psychon@znc.in>