Added new configstring() method that returns the current configuration.
Cleanup of some code, adding of method to return current config.
Guardian->instance communication cleand up, with terminating character \0
Renamed sendline to sendlines with some comment removal.
Added current-config and other pdns_control options to documentation.
no label compression for name in TSIG records
add innodb-read-committed option
Revert "add transaction-isolation=READ-COMMITTED to my.cnf in travis.yml"

This reverts commit 0927a821c21ddf7c1d2aed59b48e47a39db47c26.
Merge pull request #920 from mind04/locking2

add innodb-read-committed option
clarify
Merge pull request #918 from cyclops1982/rfc2136

Remove old test config
Merge pull request #919 from mind04/tsig-name

no label compression for name in TSIG records
Merge branch '429' of github.com:cyclops1982/pdns into cyclops1982-429
-x
enable v6 in recursor bulktest
Only commit & purge cache when we have changed