v0.1.1
- fix more GLIBC compile issues due to insufficient feature test macros
- fix UB (missing return statement) in newly added function
sha512 checksum: 114ae8d079aa2ad39d67f1d16798c63d4fb260f788a2574bbb30f9a90f406c83fe9c8358b6a52ead51a144eeb18c74d17cca7960e656fc8955c150ddaff1305c