You can get it here.
-Two full missions from the Guild.
-Two new H-Scenes (10 new CG's between the two.)
-Light changes in some skills.
-Some map tinkering.
-Several glitches fixed.
-A little proofreading in some text.
-Other small changes.
What to expect in 0.5:
-All five normal missions from the Guild fully available.
-A whole new area.
-More Town houses available.
-More map fixing (There is some half baked stuff in 0.4, like the Inn's roof.)
As always, enjoy, try, and give me your feedback.