Fixed condition to log response delay messages

When proxy.config.delay has literal value (for example 'auto') then comparation 'auto' > 0 was always `false`.
Add default option to prevent errors on invalid SSL certs.
Added verbose log message for rewrite rule match. Fixup logSuccess in modes.
Support `delay` option for 'proxy' mode

Added delay for 'proxy' mode to test application on top of the local (and unrealistic quickly) api.
Update modes.js
Added test for proxy delay.
Bump version to 0.4.1
Modified the response handler to retrieve the correct proxy after a rewrite.
Add test for Mike's rewrite/record bugfix
Merge branch 'skibblenybbles-hotfix/rewrite-record'
Bumped version
Handle server side gzip compression.  Added test.  Fixes #5
Add deflate test case.  Bump version
Remove verbose logging from rewrite rules.