Initial commit.
ref(main): uses argparse to parse argument.

- The list of files to process (if present) is fetch with argparse.
- The Unlog and Filter class are now defined in their own file.
fix(git): remove cache folder in git index.
feat(test): test the pipe case.
ref(Unlog): stdin processing is now in its function.
feat(pattern): start and error pattern must now be passed as argument.
doc(Unlog, Filter): add class doc.
ref(Unlog): add methods to check the arguments and filter according to the command line arguments.
feat(Unlog): add the possibility to use a config file to define the patterns.
feat(README): add README.rst
fix(LICENSE): switch for BSD to MIT.
Merge branch 'master' of github.com:Jenselme/unlog