cosmetic
fix bug in read_object_body
bugfix of cat-file -p
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ethnamの全loose_objectに対するcat-file -p|t|sのテストが通った！！
refactor
-pを先にテストする
remove useless comments
refactor
var count is unused
describe usage of cat-file in details
fixed!
add comment
bugfix
don't forget to close
add usage of minigit log
move const char definitions
split soure files
split source files