[performance] NewArrayNodeSet should cache the collection set; it is used frequently. Fixes performance regression between 1.2.x and 1.4.x.
[performance] NewArrayNodeSet should cache the collection set; it is used frequently. Fixes performance regression between 1.2.x and 1.4.x.

svn path=/stable/eXist-1.4.x/; revision=11642

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