* fix
* comments
* forward plugin: [fix] ability to configure via env + refactor via @satterly comment
* forward: [fix] some bugs with forwarding
* urlmon: [impr] Ability to set differents endpoints for checkers
* urlmon: [impr] 2to3 + ssl expire check
Ability to run urlmon on py3 env.
Ability to check ssl expiration dates for monitored urls
* urlmon: [fix] typo
* urlmon: [fix] typo
* urlmon: [fix] remove urllib.__version__ from user-agent
* urlmon: [fix] typo error in connect
* urlmon: [fix] many fixes for ssl-checker
* urlmon: [fix] close old events
* fix
* comments
* forward plugin: [fix] ability to configure via env + refactor via @satterly comment
* forward: [fix] some bugs with forwarding
* urlmon: [impr] Ability to set differents endpoints for checkers