Adding more error checking for ArcTool, a=chris

Author Chris Pollett <chris@pollett.org>
Author date 2015-10-28 16:Oct:th
Author local date 2015-10-28 09:Oct:th -0700
Committer Chris Pollett <chris@pollett.org>
Committer date 2015-10-28 16:Oct:th
Committer local date 2015-10-28 09:Oct:th -0700
Commit 4f3f26f2ab7afe8e9e236ccfd0c8571051e65c34
Tree 58355780a74d562075ce3b949d44f52f34e029f1
Parent a2a68ee9fec029690b4d8329240bc455ceb0cdcf
Adding more error checking for ArcTool, a=chris
Affected files:
src/executables/ArcTool.php
src/library/IndexDictionary.php
src/library/IndexShard.php
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