#collection.db
##format
- int32 - dummy value
- int32 - number of collections (n)
- loop n times, reading the following:
- string - name of collection
- int32 - number of beatmaps in the collection (i)
- loop i times, reading the following:
- string - md5 hash of beatmap's .osu file
##spec
- int32
- 4 bytes
- little endian byte order
- string
- prefixed with length of string encoded as an integer
- read 7 bits at a time