Fixed english grammar issues.
Added unofficial release 3.5.18-UR and 4.0.2-UR
Added unofficial release 3.5.19-UR and 4.0.3-UR
Added unofficial release 3.5.20-UR and 4.0.4-UR
Fix wrong release date
Added unofficial release 3.5.21-UR and 4.0.5-UR
Added unofficial release 3.5.22-UR and 4.0.6-UR
Added unofficial release 3.5.22-UR2 and 4.0.6-UR2
Added unofficial release 5.0.1-UR
Added unofficial release 5.0.2-UR