v1.0.1

change log

The first release of gshellos based on tengo, adding

• multiple VMs running in the same address space, see example/govm_test.gsh
  • with built-in function go(fn, arg1, arg2, ...), an independent concurrent goroutine VM is created to run fn(arg1, arg2, ...)
  • the parent VM exits only if all the descendent goroutines exit
  • the error of parent VM includes all errors occurred in its descendent goroutine VMs
• native go extension framework, see extension/shell
• testing/coverage framework with "//output:" and "//unordered output:" keywords, see example/oop_test.gsh
• REPL in cmd/gshell, and the ability to extend user customized cli
• API ToObject() and FromObject() to convert tengo object from/to native go
• channel related built-in functions