repo_packages_regex shall never be none.
Improving language a bit.
Test coverage for determine_console_log_level.
Test coverage for append_console_logger.
Minor bugfix: creating directories "RPMS/x86_64", "RPMS/noarch" and "BUILDROOT".
Appending SysLogHandler before initializing configuration.
Logging (instead of raising a exception) when a unknown configuration property name is given. Fixes #38
Logging when configuration properties are empty instead of raising exception. Fixes #38
Sorting command line interface options.
Warnings about not filtered files will only be logged when option --verbose enalbed. Fixes #37
Adding command line interface integration test for option --verbose
Merge pull request #36 from aelgru/master

- fix minor bug with BUILDROOT
- decrease of strictness of configuration property parsing
- repo_packages_regex always has to be a valid regular expression.