test options. Closes #69
parallel execution. Closes #68
Parallel CLI option. For #68
Rework outputs. For #67
Replace map with for. For #67
Fix summary output. For #67
Close #67
Fix output handling
skip tests. Closes #70
Todo. Closes #71
Update README.md to reflect global access

Lab is referenced globally in all of the examples, it should then be installed globally in the example install.
Merge pull request #72 from wasbazi/patch-1

Update README.md to reflect global access