fixed go$key of array types (fixed #33)
fixed go$key of array types (fixed #33)

jeremyschlatter/gopherjs,bpowers/gopherjs,flimzy/gopherjs,jargv/gopherjs,govlas/gopherjs,Archs/gopherjs,rasata/gopherjs,nmfzone/gopherjs,gopherjs/gopherjs,bpowers/gopherjs,jargv/gopherjs,flimzy/gopherjs,govlas/gopherjs,gopherjs/gopherjs,jargv/gopherjs,roth1002/gopherjs,roth1002/gopherjs,jeremyschlatter/gopherjs,Archs/gopherjs,albrow/gopherjs,nmfzone/gopherjs,albrow/gopherjs,roth1002/gopherjs,Yanjing123/gopherjs,jeremyschlatter/gopherjs,gopherjs/gopherjs,gopherjs/gopherjs,nmfzone/gopherjs,Archs/gopherjs,Yanjing123/gopherjs,rasata/gopherjs,govlas/gopherjs,Yanjing123/gopherjs,ebroder/gopherjs,albrow/gopherjs,bpowers/gopherjs,flimzy/gopherjs,ebroder/gopherjs,gopherjs/gopherjs,ebroder/gopherjs,rasata/gopherjs