Recompile amber-cli w/ released 0.13.0.

external/amber-cli/support/amber-cli.js

@@ -29164,12 +29164,12 @@ selector: "version",
 protocol: 'accessing',
 fn: function (){
 var self=this;
-return "0.13.0-pre";
+return "0.13.0";
 
 },
 //>>excludeStart("ide", pragmas.excludeIdeData);
 args: [],
-source: "version\x0a\x09\x22Answer the version string of Amber\x22\x0a\x09\x0a\x09^ '0.13.0-pre'",
+source: "version\x0a\x09\x22Answer the version string of Amber\x22\x0a\x09\x0a\x09^ '0.13.0'",
 referencedClasses: [],
 //>>excludeEnd("ide");
 messageSends: []