version 1.2 - 02/22/12
-changes made to "bin_" time-scaling functions to improve computational speed
-changes made to some help files to add clarification, some examples added

version 1.1 - 02/13/12
-changes made to conditioning structure in simFossilTaxa
	-changes also to simFossilTaxa_SRCond and simPaleoTrees as a result of this
-additional clarification of help files
-changed all calls of print() in the functions to message()

version 1.0 - 01/27/12
-first release