K 10
svn:author
V 6
joneum
K 8
svn:date
V 27
2018-12-10T16:41:43.486084Z
K 7
svn:log
V 305
Update to 5.1.15

Changelog:
 - Restore apc.serializer=php as the default, as the "default" serializer still/again has issues.
 - Fix possible issues in persistence of arrays with the "default" serializer.
 - Attempt to reduce shared memory fragementation.

- Pet portlint

Sponsored by:	Netzkommune GmbH

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