URI is invalid for apps
The plugin fails to start up apps (e.g., Netflix). By looking at the logs, the uri of the applications seem to be correct, yet the plugin fails by saying the uri is invalid. In the old version, the same uri worked when used in `favApps`.

```
[4/30/2019, 10:04:15 PM] [BraviaOSPlatform] [INFO] Sony Bravia: Turn on Netflix                                                                                                                                                                              
2019-04-30T20:04:15.138Z BraviaPlatformApi [Bravia Debug]: api request 357: post /sony/avContent - setPlayContent - [{"uri":"kamaji://BIV-2747"}]                                                                                                            
2019-04-30T20:04:15.214Z BraviaPlatformApi [Bravia Debug]: api request 357: Error - [3,"uri is invalid"]                                                                                                                                                     
[4/30/2019, 10:04:15 PM] [BraviaOSPlatform] [ERROR] Sony Bravia: An error occured while setting new input state!                                                                                                                                             
[4/30/2019, 10:04:15 PM] [BraviaOSPlatform] [ERROR] [                                                                                                                                                                                                        
    3,                                                                                                                                                                                                                                                       
    "uri is invalid"                                                                                                                                                                                                                                         
]                                                                                                                                              