Prevent response object being set as response body
Attempt to fix failures in travisci.

Network tests have recently started failing, make those skip conditions
instead. Convert SocketExceptions in Xml::build() into XmlExceptions.
This is the documented behavior so we should try to honour that.
Make skips more permissive.

Hopefully this fixes issues on travisci.
Fix incorrect method names.
Attempt to get more tests passing on travis ci.
Postgres datasource support regular expression operators.
Merge pull request #1153 from nojimage/db-postgres-regexp-ops

Postgres datasource support regular expression operators.

Fixes #3641
Merge pull request #1139 from ADmad/2.3-dispatcher

Prevent response object being set as response body
Fixing behavior prioritizing
Fix two typos in CacheEngine.php
Merge pull request #1157 from ravage84/patch-1

Fix two typos in CacheEngine.php
Fix an issue which gives gibberish output when gzip is enabled.
Merge pull request #1158 from uzyn/bugfix/handleFatalError

Fix an issue which gives gibberish error message when gzip is enabled.
Fix failing tests.

Two buffers are needed now that handleFatalError() is blowing one up.
Related to pull request #1158