Improved quality of test cases

This release includes the following:

• Adds a new breadth first search strategy once max depth is reached during test case generation.
• Randomly shuffle between alternative productions to improve quality of test cases.

Minor updates

This release includes:

• Bug fixes to handle quotes properly in grammars. (Fixes #6)
• Dependencies updates to newer versions.

Initial release

• A cli tool to generate tests based on BNF grammars.
• Some bug fixes and 4 sample grammars.
• Includes a long running queue based test runner for fuzzing Java libraries directly.