Changes:

• Windows (Cygwin) support with Peak Systems CAN devices
• LinCan driver support (thanks to Pavel Pisa)
• Documentation (user manual)
• New POSIX timer handling (no more SIGALARM)
• Callback on OD access (automate node reaction upon entry change)
• More options in TestMasterSlave (baud rate, master/slave disable, ...)
• Object editor GUI enhancements
• Many fixes and cleanup ...