[evol] reorganized dependencies
[evol] move IMAP code into a new class
[fix] an exception reference in one object was not defined
[evol] moved the mail processing into a new class returning proper orders
[evol] renamed custom exception and converted an old remaining exception
[evol] move new classes into CyborgHood module and add new exception handling
[evol] split objects abstraction layer and ldap layer in libs
[fix] remove logger usage in tmail extension
[evol] properly moved tmail signature handling out of postman in a library (which i should probably suggest upstream)
[fix] don't fail to merge bot-specific config if it is empty
[evol] Logger can handle setting a permanent prefix (until reset)
[evol] split test file into libs