Fix and test for Issue #41 #42
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When
buffersis an array of one buffer of zero length (falsey), this reduce operation ends up producing the string "0" in the output buffer. I couldn't find any reason the reduce operation needed to test eitherleftorright, sinceleftwill always be a Number, and both places MergeBuffers is used itbufferselements will always havelength. It still passes the entire test suite with this patch in place.