Refactor code. Fix some bugs.

+ Use lazy brain init.
* Move plugin code out of botlib.pm.
+ Now bot can private chatting
* Properly detect real jid if can, extract username from jid
* Change chatid generation, so all previously generated brains will be lost
+ Add !dig and !копать commands
+ Add !cat and !кис commands
* Some other minor changes

cpanfile

@@ -10,7 +10,9 @@ requires 'Hailo';
 requires 'JSON';
 requires 'JSON::XS';
 requires 'JSON::PP';
+requires 'IO::Socket::SSL';
 requires 'POSIX';
+requires 'Text::Fuzzy';
 requires 'URI::URL';
 requires 'local::lib';
 requires 'Log::Any';