Fixed an incorrect use of `array_unique` that crashes on some versions of PHP.

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branch : stable
Skip page files that end with `~`.

--HG--
branch : stable
Bumped version up to 1.0.3.

--HG--
branch : stable
extra : histedit_source : d3498090107a36d290ddd909a8563d0e21e22493
Added tag version_1.0.3 for changeset 4423fa13ddf0

--HG--
branch : stable
extra : histedit_source : 8d1e67b33aefc2e93f9d15250b8c65a85f58e976
Merged with stable.