Have only one block size
Reuse temporary files (fixes #4)
Add tests
Merge branch 'pr/787'

* pr/787:
  Add tests
  Reuse temporary files (fixes #4)
  Have only one block size
Install verbosely
Handle corner case where we can reuse a temp file totally
Fix tests for previous
Controlled polling interval without keepalives to avoid HTTP errors in integration test.
Handle connection closed in reconnect test
Simplify HTTP testing
Use a configuration wrapper to handle loads and saves
Clean up flags vs envvars
Fix configInSync which is still needed
Fix tests for removed methods
Minor config cleanup
Removing a nonexistent file is OK (fixes #792)
Update goleveldb