2009-07-21 15:03:57 +0200 tkr  r274199 : #i64277# open file only if needed and close immediately after use
2009-07-17 12:25:41 +0200 tkr  r274087 : #i96743# patch minizip to provide stream operations
2009-07-17 12:21:13 +0200 tkr  r274086 : #i96743# add new ifilter interface: IPersistStream