Added begin_development and begin_test

Added status (changed completed field)
fixed internet status connection.

src/statics/js/fetch.js

@@ -47,7 +47,7 @@
       name = String(name)
     }
     if (/[^a-z0-9\-#$%&'*+.\^_`|~]/i.test(name)) {
-      throw new TypeError('Invalid character in header field name')
+      throw new TypeError('Invalid character in header field nametranslate')
     }
     return name.toLowerCase()
   }