miscellaneous utilities
Describe: Get the system's http proxy
Describe: Is a relative URI?
Example:
```js utils.isRelativeURI("../path/to"); // => return true utils.isRelativeURI("path/to"); // => return true utils.isRelativeURI("#id"); // => return false utils.isRelativeURI("http://www.qq.com"); // => return false utils.isRelativeURI("/relative/to/root"); // => return false utils.isRelativeURI("//without/protocol"); // => return false utils.isRelativeURI("data:image/gif;base64,lGODlhEAA..."); // => return false ```Describe: Download file
Describe: Check to see if an object is a plain object (created using “{}” or “new Object”).
Describe: Deep copy of the object
Describe: Recurse through objects and arrays, executing fn for each non-object.
Describe: Get the value of a deeply-nested property exist in an object.
Describe: Deep merge for JSON objects, overwrites conflicting properties
Describe: Convert 'a,b,c' to [a,b,c]
Describe: Reads the version property from modjs's package.json
Describe: Open application