Add new commands support.
Add abstract command sending function.
Pack fuzzy commands.
Add tag for all commands and replies.
Rewrite fuzzy check plugin.
Add keys initialization.
Avoid debug noise.
I will never ever use malloc in signal handler.

I will never ever use malloc in signal handler.
I will never ever use malloc in signal handler.
I will never ever use malloc in signal handler.
I will never ever use malloc in signal handler.
I will never ever use malloc in signal handler.
I will never ever use malloc in signal handler.
I will never ever use malloc in signal handler.
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