* added [sg]et_split_freq to set split frequencies
* added [sg]et_split to activate split operation
* added get_squelch_status to get the open/close status of the squelch
* added [sg]et_trn to activate on the run the transceive mode (PCR1000 can do that)
git-svn-id: https://hamlib.svn.sourceforge.net/svnroot/hamlib/trunk@207 7ae35d74-ebe9-4afe-98af-79ac388436b8