Adding a draft of configuration file. I choose the YAML format as it's already used in Dart.
Adding dependency: yaml package
Lets the user specify the IP
Using flags to specify command line arguments. The user can now specify a configuration file he may wants to use.
Updating tests
Adding help
Handling errors when binding, temporarily printing the error message
Updating the README file
Updating the README file
Merge branch 'develop' into feature/config-file

Conflicts:
	README.md
	bin/static_file_handler.dart
	lib/static_file_handler.dart
	pubspec.yaml
Adding the "args" package
Minor change in the config file syntax
Using the args package instead of parsing command line switches manually
Bugfix
Searching for appropriate MIME type should be done with lowercase extension
Adding help, changing default port to 3000
Trivial: moving code around
Merge branch 'develop' into feature/config-file
Merge branch 'develop' into feature/config-file

Conflicts:
	pubspec.yaml
Removed unused dependency, updated code according to latest SDK changes