Whitespace adjustments.
Don't ping during LuminosoClient.wait_for; do emit informative messages.
Share a requests.session between a client object and its auth object.
Use unauthenticated requests to log in.
Use the existing PASSWORD variable in tests.
Update the tests to reflect that there is no longer a client._session.
Fix grammar (in two comments) that was hurting my brain
Merge pull request #2 from LuminosoInsight/experimental_no_keepalive

Several small improvements.