[WRCP] Write /lvlbot to control Related Players

Related players shows how much time a player has spent in game with another player.

Searching, custom time ranges, and additional pages of information are limited to BattleMetrics Premium and RCON subscribers.

Player	Time Together
[SR] souza - 00:30.96	261:35
Security Guard	70:38
[SR] FiZz - 00:12.91	03:16
[SR] somebody else - 00:15.52	02:58
[SR] FiZz - 00:29.34	02:38
[SR] dawsonn - 01:16.21	02:19
[SR] heheyzijs - 02:38.88	02:01
[SR] dinosaurus - 00:09.89	01:52
[SR] supre - 00:23.84	01:43
[SR] FiZz ＃zG - 00:43.28	01:34