Add WildCard support, update .gitignore

Add WildCard support, update .gitignore with IntelliJ specific entries,
remove unused .toString() methods, simplify boolean returns and if
statements.
Update README.md

Update README.md (move travis badge to top of file and add links to
development requirements), fix spelling and grammar errors in config.yml
Merge pull request #10 from psgs/0.3

Add WildCard support, optimize boolean results, improve language use