~rek2/rek2_nntp

Add patches mailing list
add valid category for crates.io
add valid category for crates.io
refactor list.rs and read.rs to follow post.rs
Fix readme.md
remove debug println
update README.md
finally got it migrated somehow but still need to fix the rest of the code now
refactor post.rs a bit
added debug println
Bumped version to 0.1.1 and added newsgroup argument to post.rs
fix missing newsgroup to post to, add as argument for now
add correct license format for cargo
added info to Cargo.toml
add links to RFC's
add GPLv3 License
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