Integrate read ahead iterator from fgoxide. (#19)

* Refactoring read set and other structs to make possible to add read ahead iterator

* Adding read ahead iterator

Co-authored-by: Tim Fennell <[email protected]>

Author: Nathan Roach

Cargo.lock

@@ -36,7 +36,7 @@ bstr = "1.0.1"
 clap = { version = "4.0.25", features = ["derive"] }
 enum_dispatch = "0.3.8"
 env_logger = "0.9.3"
-fgoxide = "0.2.0"
+fgoxide = "0.3.0"
 flate2 = { version = "1.0.25", features = ["zlib-ng"] }  # Force the faster backend that requires a C compiler
 itertools = "0.10.5"
 log = "0.4.17"