SDK version v 2.2.0.0: release notes

SDK:

PFile: add Copy() and GetFilenameWithoutPath()
PGuid: remove curly braces in ToString()
PImage: add GetAspectRatioToString()
PPath: add MakePath(), RemoveNonEmptyDirectory() and TempPath()
PPlugin: add operator == and != to compare plugins
PProperties: now thread-safe
PProperties: add support for PList<double> and PList<PEvent>
PTimer: you can specify the maximum number of measures (to get a sliding average)
PSizei: add ToStringShort()