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

diff --cc Makefile
Simple merge

diff --cc builtin/cat-file.c
Simple merge

diff --cc builtin/pack-objects.c
Simple merge

diff --cc builtin/pull.c
Simple merge

diff --cc builtin/tag.c
Simple merge

diff --cc cache.h
Simple merge

diff --cc oidset.h
Simple merge

diff --cc submodule.c
Simple merge

diff --cc t/helper/test-tool.c
Simple merge

diff --cc t/helper/test-tool.h
Simple merge