T-Rex 0.19.10

• (API) Add ability to pause individual GPUs via API (see pause API handler in readme)
• (API) Add GPU PCI address to summary handler
• Add --script-exit parameter to execute a script upon miner exit

Bug fixes:

• Some user scripts specified in --script-start, --script-epoch-change etc. fail to execute
• (ethash) GPU is idle error when generating DAG
• (Linux) Miner fails to start on some linux distros with TREX: ... error