improve configuration and validate to fail early. fix #17, fix #31
Merge pull request #43 from ddeboer/validate-early

improve configuration and validate to fail early
adjust to namespace test and upgrade to mockery 0.9 to be compatible with phpunit 4
Merge pull request #50 from ddeboer/adjust-to-namespacerefactoring

adjust to namespace refactoring
X-Cache-Debug header should not depend on rules, but on global debug config
make debug header configurable. fix #49
Merge pull request #51 from ddeboer/cache-debug-config

make debug header configurable.
adjust configuration to support several proxy clients. better validate if things are going to work in the DI extension. fix #45
Merge pull request #52 from ddeboer/config-cleanup

adjust configuration to support several proxy clients
Add cache invalidation commands
Fix tests