1.9-2
	Fixed bug in partial w/ norm=M

1.9-1
	Fixed plot documentation

1.8-3
	Improved plot parameters, add match.index

1.8-2
	Added transpose step pattern

1.8-1 
	Added MVM step pattern

1.7-2
	Added inputs in dtw object if keep=T. Plots honor them.
	
1.7-1
	Implemented all Rabiner-Huang step patterns,
	autogenerated. Step plot now has labels.

1.6-1
	Fix plotting of three-way: reverse axis, partial
	Implement & document partial option
	Handle ts, mts objects
	
1.5-3
	Fix malloc.h for OSX build