unify the _failure_generator code for claims and releases
report response body in error messages
Add realistic looking response bodies in some tests
include response body in renewal 400 response
Include mock response body for 409 release response
Changed formatting of messages
Merge pull request #24 from mkiwala-g/log-error-messages

Include response bodies in error messages reported by daemon claim
replace integration tests with something simpler

This includes a currently-skipped test for

    my $claim = $client->claim($resource, timeout => $timeout);

not withdrawing the $claim when it times out.

It removes several tests for how the client handles inability to talk to
the server.
remove unused imports
Merge pull request #31 from mark-burnett/new-integration-test

Replace integration tests with something simpler
Merge branch 'master' into states-for-additional-error-handling
Merge pull request #32 from mark-burnett/states-for-additional-error-handling

Merge master into states-for-additional-error-handling