beoran/selsl: Simple English Like Scripting Language

Beoran 790a2cf074 Simplify object model to a flat nominal typing but still with methods.		3 éve
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acop.go	2d98351ad3 Think more about ACOP.	3 éve
object.go	790a2cf074 Simplify object model to a flat nominal typing but still with methods.	3 éve
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 éve