examples/kaleidoscope: Support user-defined operators
examples/kaleidoscope: Support user-defined operators

guangwong/node-llvm-x,guangwong/node-llvm-x,kevinmehall/node-llvm,guangwong/node-llvm-x,kevinmehall/node-llvm,kevinmehall/node-llvm,kevinmehall/node-llvm