* feat: this is a best attempt at flattening the dependency tree, similar to what npm does
* test: shamefullyFlatten option
* feat: when uninstalling, if shamefully-flatten is true, we need to re-flatten
* fix: use new shrinkwrap, not the old one
* fix: changes suggested in PR
* test: remove test.only
* fix: various bugs in uninstall and general install, added tests
* test: fix test
* test: use project.has and project.hasNot correctly
* test: remove test.only
* test: added tsconfig.json, added lint-test script, lint fixes
* test: use correct message
* fix: check should work on windows too
