DeserializeBitmapFromReader is the inverse of Serialize.

NewBitmap allocates a bitmap to hold at least n values.

NewBitmapFromBits leverages a pre-existing bitmap (usually from a file or a reader) and moves it into a new bitmap (does NOT copy).

NewBitmapFromBools initialises a bitmap from a pre-existing bool slice.

Or returns a copy (unlike the method).

Serialize writes this bitmap into a writer, so that it can be deserialised later.

Bitmap holds a series of boolean values, efficiently encoded as bits of uint64s.