beoran/selsl: Simple English Like Scripting Language

Beoran 790a2cf074 Simplify object model to a flat nominal typing but still with methods.		3 lat temu
..
acop.go	2d98351ad3 Think more about ACOP.	3 lat temu
object.go	790a2cf074 Simplify object model to a flat nominal typing but still with methods.	3 lat temu
object_test.go	99904e3568 Add simple test Check function, and List type. Simplyfy calling Run by requiring an Environment only that contains the arguments, me and self.	3 lat temu