GiNaC/ginac clifford.cpp clifford.h color.cpp color.h coloridx.h idx.cpp idx.h indexed.cpp indexed.h lorentzidx.cpp lorentzidx.h lortensor.cpp lortensor.h simp_lor.cpp simp_lor.h utils.cpp utils.h

[Christian Bauer]

Update of /home/cvs/GiNaC/ginac

Modified Files:
	clifford.cpp clifford.h color.cpp color.h coloridx.h idx.cpp 
	idx.h indexed.cpp indexed.h lorentzidx.cpp lorentzidx.h 
	lortensor.cpp lortensor.h simp_lor.cpp simp_lor.h utils.cpp 
	utils.h 
Log Message:
- added documentation to the indexed, color, lortensor and clifford classes
- moved Dim() function from lortensor.cpp to lorentzidx.cpp
- moved append_exvector_to_exvector() from color.cpp to utils.cpp
- some cleanups in the lortensor and clifford classes