Add SIGUSR1 and SIGUSR2. Fix grammar a bit.
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SIGHUP
- Reload config. Same as issuing command **RELOAD;** on console.
+ Reload config. Same as issuing the command **RELOAD;** on the console.
SIGINT
- Safe shutdown. Same as issuing **PAUSE;** and **SHUTDOWN;** on console.
+ Safe shutdown. Same as issuing **PAUSE;** and **SHUTDOWN;** on the console.
SIGTERM
- Immediate shutdown. Same as issuing **SHUTDOWN;** on console.
+ Immediate shutdown. Same as issuing **SHUTDOWN;** on the console.
+
+SIGUSR1
+ Same as issuing **PAUSE;** on the console.
+
+SIGUSR2
+ Same as issuing **RESUME;** on the console.
Libevent settings
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