php7 + apache2 fix#25

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commercebyte wants to merge 4 commits intocolder:masterfrom

commercebyte:master

Commits on Mar 13, 2016

Fix seg fault in apache2 + php7 on shutdown,
root
committed

Commits on Mar 14, 2016

The issue with PHP7 + Apache2 seg fault is properly addressed and tested.
root
committed

Commits on Mar 15, 2016

Fix build warnings
colder
committed
wr_store.c:
root
committed