caller=
GetMyCaller
GetMyCaller returns the name of its caller by using MATLAB's dbstack
function. If invoked from the command line, then
GetMyCaller returns
'base'.
see also: dbstack
2004 awi Wrote it.
1/29/05 dgp Cosmetic.
10/24/05 awi Cosmetic.
01/13/07 dhb Update comments for PTB-3 universe.
Psychtoolbox/PsychOneliners/GetMyCaller.m