public/static API_Connection_Manager::get_current_user()

The following error is being thrown by `API_Con_Mngr_Module` when calling `API_Connection_Mnager::get_current_user()`:
```html
<b>Strict Standards</b>:  Non-static method API_Connection_Manager::get_current_user() should not be called statically, assuming $this from incompatible context in <b>/home/davidcoo/public_html/cityindex/labs.cityindex.com/httpdocs/wp-content/plugins/api-connection-manager/class-api-con-mngr-module.php</b> on line <b>645</b><br />
```