VMM//{,cli/}Handler: PEP-8-ified the Handler classes:
* converted CamelCase method names to lower_case_with_underscores
* eliminated __names
* added missing docstrings
# All parameters are described in pgsql_table(5) / PGSQL PARAMETERS
#
# The hosts that Postfix will try to connect to and query from.
hosts = localhost
# The user name and password to log into the pgsql server.
user = postfix
password = some_password
# The database name on the servers.
dbname = mailsys
# The SQL query template used to search the database
query = SELECT gid FROM postfix_gid WHERE domainname='%s'