Added two new extented operators: »OP« and «OP»

* Unrolling operator:
        <OP> <METHOD>
        «OP» «METHOD»

* Reducing operator:
	[OP]   -
	  -  <METHOD>
	«OP» «METHOD»

Examples:
	[1,2,3]«+»;			# sum: 6
	[1,2,3] [+];			# same as above (Perl6-like)
	[1,2,3] »+« [1,2,3]		# [2,4,6]
	[2,3,4]<multiply>;		# prod: 24