[Potential Bug with Homebridge Beta 1.3.0]  - Don't use activity id as identifier for input source since it only allow UINT32
Hello,

I am not sure if this can be addressed or not, however, on the latest version of Homebridge beta, I receive the following 'warning' a lot during startup.

`Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.`

Installation Details:
homebridge-harmony(v1.4.0)
home bridge(1.3.0beta14)
hap-nodejs(0.9.0-beta.43)

Full Log:
```[10/29/2020, 8:35:59 AM] [Living Room] (Media Room)INFO - Adding Accessory : Media Room-TV
[10/29/2020, 8:35:59 AM] [Living Room] (Media Room)INFO - configuring Main TV Service
[10/29/2020, 8:35:59 AM] [Living Room] (Media Room)INFO - Creating TV Service
[10/29/2020, 8:35:59 AM] [Living Room] (Media Room)INFO - Creating Input Service - Apple TV
[10/29/2020, 8:35:59 AM] [Living Room] (Media Room)INFO - Configuring Main Activity Tivo
[10/29/2020, 8:35:59 AM] [Living Room] (Media Room)INFO - Creating TV Speaker Service
[10/29/2020, 8:35:59 AM] [Living Room] (Media Room)INFO - Creating Input Service - Tivo
[10/29/2020, 8:35:59 AM] [Living Room] (Media Room)INFO - setupFoundAccessories - TV accessory added as external accessory
2020-10-29T15:35:59.120Z ciao:Responder [Media Room-TV 1A60._hap._tcp.local.] Going to advertise service...
[10/29/2020, 8:35:59 AM] Media Room-TV 1A60 is running on port 43819.
[10/29/2020, 8:35:59 AM] Please add [Media Room-TV 1A60] manually in Home app. Setup Code: XX-XX-XXX
2020-10-29T15:35:59.217Z ciao:Prober Probing for 'Homebridge 43C2 4BC8._hap._tcp.local.' finished successfully
2020-10-29T15:35:59.217Z ciao:Announcer [Homebridge 43C2 4BC8._hap._tcp.local.] Sending announcement for service
2020-10-29T15:35:59.217Z ciao:CiaoService [Homebridge 43C2 4BC8] Rebuilding service records...
2020-10-29T15:35:59.218Z ciao:CiaoService [Media Room-TV 1A60] Rebuilding service records...
2020-10-29T15:35:59.218Z ciao:Prober Starting to probe for 'Media Room-TV 1A60._hap._tcp.local.'...
2020-10-29T15:35:59.322Z ciao:Prober Sending prober query number 1 for 'Media Room-TV 1A60._hap._tcp.local.'...
[10/29/2020, 8:35:59 AM] [Living Room] (Living Room)INFO - Adding Accessory : Living Room-TV
[10/29/2020, 8:35:59 AM] [Living Room] (Living Room)INFO - configuring Main TV Service
[10/29/2020, 8:35:59 AM] [Living Room] (Living Room)INFO - Creating TV Service
[10/29/2020, 8:35:59 AM] [Living Room] (Living Room)INFO - Creating Input Service - Xbox
[10/29/2020, 8:35:59 AM] [Living Room] (Living Room)INFO - Configuring Main Activity Tivo
[10/29/2020, 8:35:59 AM] [Living Room] (Living Room)INFO - Creating TV Speaker Service
[10/29/2020, 8:35:59 AM] [Living Room] (Living Room)INFO - Creating Input Service - Tivo
[10/29/2020, 8:35:59 AM] [Living Room] (Living Room)INFO - Creating Input Service - Apple TV
[10/29/2020, 8:35:59 AM] [Living Room] (Living Room)INFO - setupFoundAccessories - TV accessory added as external accessory
2020-10-29T15:35:59.346Z ciao:Responder [Living Room-TV BAF8._hap._tcp.local.] Going to advertise service...
[10/29/2020, 8:35:59 AM] Living Room-TV BAF8 is running on port 34481.
[10/29/2020, 8:35:59 AM] Please add [Living Room-TV BAF8] manually in Home app. Setup Code: XXX-XX-XX
2020-10-29T15:35:59.493Z ciao:Prober 'Media Room-TV 1A60._hap._tcp.local.' won the tiebreak. We gonna ignore the other probing request!
2020-10-29T15:35:59.573Z ciao:Prober Sending prober query number 2 for 'Media Room-TV 1A60._hap._tcp.local.'...
2020-10-29T15:35:59.824Z ciao:Prober Sending prober query number 3 for 'Media Room-TV 1A60._hap._tcp.local.'...
2020-10-29T15:36:00.076Z ciao:Prober Probing for 'Media Room-TV 1A60._hap._tcp.local.' finished successfully
2020-10-29T15:36:00.076Z ciao:Announcer [Media Room-TV 1A60._hap._tcp.local.] Sending announcement for service
2020-10-29T15:36:00.077Z ciao:CiaoService [Media Room-TV 1A60] Rebuilding service records...
2020-10-29T15:36:00.077Z ciao:CiaoService [Living Room-TV BAF8] Rebuilding service records...
2020-10-29T15:36:00.077Z ciao:Prober Starting to probe for 'Living Room-TV BAF8._hap._tcp.local.'...
2020-10-29T15:36:00.078Z ciao:Announcer [Media Room-TV 1A60._hap._tcp.local.] Sending announcement number 1
[10/29/2020, 8:36:00 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:00 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:00 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:00 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:00 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:00 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:00 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
2020-10-29T15:36:00.222Z ciao:Announcer [Homebridge 43C2 4BC8._hap._tcp.local.] Sending announcement number 2
[10/29/2020, 8:36:00 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:00 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
2020-10-29T15:36:00.309Z ciao:Prober Sending prober query number 1 for 'Living Room-TV BAF8._hap._tcp.local.'...
[10/29/2020, 8:36:00 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:00 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
2020-10-29T15:36:00.560Z ciao:Prober Sending prober query number 2 for 'Living Room-TV BAF8._hap._tcp.local.'...
[10/29/2020, 8:36:00 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
2020-10-29T15:36:00.812Z ciao:Prober Sending prober query number 3 for 'Living Room-TV BAF8._hap._tcp.local.'...
2020-10-29T15:36:01.063Z ciao:Prober Probing for 'Living Room-TV BAF8._hap._tcp.local.' finished successfully
2020-10-29T15:36:01.063Z ciao:Announcer [Living Room-TV BAF8._hap._tcp.local.] Sending announcement for service
2020-10-29T15:36:01.063Z ciao:CiaoService [Living Room-TV BAF8] Rebuilding service records...
2020-10-29T15:36:01.065Z ciao:Announcer [Living Room-TV BAF8._hap._tcp.local.] Sending announcement number 1
2020-10-29T15:36:01.080Z ciao:Announcer [Media Room-TV 1A60._hap._tcp.local.] Sending announcement number 2
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
[10/29/2020, 8:36:01 AM] Received warning for the plugin 'homebridge-harmony' from the characteristic 'Active Identifier': characteristic was supplied illegal value: number -1 exceeded minimum of 0.
2020-10-29T15:36:02.067Z ciao:Announcer [Living Room-TV BAF8._hap._tcp.local.] Sending announcement number 2```