All
The comport issue is fixed in 1.1.3
In newly created project there will be a define ARDUINO that is equal to 0023 for version 23 and 100 for version 1.0 the version info is based on the content of the versions.txt file in the lib folder of arduino.
This allows to do things like
#if (ARDUINO >= 100)
#include "Arduino.h"
#else
#include "WProgram.h"
#endif
Best regards
Jantje