+- Added lf visa2000 demod, read, clone, sim commands (iceman)
+- Added markers in the graph around found Sequence Terminator after askmandemod.
+- Added data mtrim <start> <stop> command to trim out samples between start and stop
+- Added data setgraphmarkers <orange> <blue> command to set two extra markers on the graph (marshmellow)
+- Added EM4x05/EM4x69 chip detection to lf search (marshmellow)
+- Added lf em 4x05dump command to read and output all the blocks of the chip (marshmellow)
+- Added lf em 4x05info command to read and display information about the chip (marshmellow)