0.8.2: Provide additional targets metadata

With #8
Allows using -only-testing: xcodebuild directive

0.8.1 Graphviz support

Re-added dot/graphviz support with command line output option (#5)

SPM/Xcode Plugin Support

SPM/Xcode Plugins (#2)

* Plugins support

* Pass CLI argument

* Process arguments

* Correct way of passing CLI arguments

* Update README.md