Flesh out test_constructor()
Complete __init__() docstring.
Remove methods that are now part of the ldap_operations class.

Remove update_attribute()
Remove methods that are now part of the ldap_operations class.

Remove get_user_attrs()
Remove methods that are now part of the ldap_operations class.

Remove get_filtered_user_services()
Remove methods that are now part of the ldap_operations class.

Remove get_user_accounts() / get_user_services()
Remove methods that are now part of the ldap_operations class.

Remove map_attr_keys()