Merge pull request Jimdo#57 from motionpicturesolutions/bugfix/data-s…

…anitization

Adds base64-encoding of label values to allow the usage of colons

Release v0.9.1

    * Add Redis auth support
    * Fix incorrect cast after json_decode

Merge pull request Jimdo#36 from krukru/InMemory-impl

In memory impl

Merge pull request Jimdo#32 from Jimdo/get_or_register

Add getOrRegister methods

Merge pull request Jimdo#28 from Jimdo/pushgateway

Add PushGateway implementation

Add support for APC

Merge pull request Jimdo#22 from Jimdo/not_found_exception

Make metrics registration/retrieval more robust

Merge pull request Jimdo#21 from Jimdo/forbid-to-register-metrics-twice

Forbid registering the same metrics twice

Merge pull request Jimdo#17 from Jimdo/redis_client_optimizations

Some redis client performance optimizations

Merge pull request Jimdo#16 from Jimdo/exception_namespace

Put Exception into own namespace