Remove savePath before looking for packages

[benmoss]

This prevents users who save their licenses into their source tree from getting those as packages themselves.

Fixes #91

[dprotaso]

cc @wlynch

[wlynch]

@jimmale This is effectively a revert of #90. Since this is causing problems for people I'm going to approve this so we can roll back to a safe state - we can do some more thinking for how we want to support your use case moving forward.

[benmoss]

If we could exclude the savePath from the directories being scanned I think that could solve both problems