move toStdFunction() to pibase.h
refactor PIParseHelper, now it much more abstract and useful
fix PIIODevice::createFromFullPath() when whitespaces at start or end are presence
PIStreamPacker add events for start and end packet receive
PIClientServer::ClientBase add virtual methods for start and end packet receive. also one can enable diagnostics with enableDiagnostics() method
PICout now call flush() on each end of output
add PIString::entries(const PIString & str)
* renamed private members for more clear code
* registerExternalBufferID() method to obtain unique ID for withExternalBuffer()
* PICoutManipulators::PICoutStdStream enum for select stream (stdout or stderr)
* Constructors now accept optional stream
* piCerr and piCerrObj macros
PIDir::temporary() moved to "mkdtemp"
PILog:
* now 4 levels
* you can set max level
* Error writes to piCerr
