Merge branch 'jk/oid-array-cleanups'

Code cleanup. * jk/oid-array-cleanups: oidset: stop referring to sha1-array ref-filter: stop referring to "sha1 array" bisect: stop referring to sha1_array test-tool: rename sha1-array to oid-array oid_array: rename source file from sha1-array oid_array: use size_t for iteration oid_array: use size_t for count and allocation