libxo-1.1.0

• follow freebsd's setlocale logic for non-freebsd platforms; use setlocale("") for freebsd
• Add a "CSV" encoder
• Docs: Add "simplified wc" comment
• Add fixes from PVS-Studio
• Docs: Fix intro; add note re:xo
• Docs [conf.py] Instead of hardcoding the version number here, we read it from the project's configure script
• add "options" op for encoders
• add missing version initialization for cbor encoder
• Docs: add new encoders docs
• add out-of-order test for encoder (csv)
• add test cases for CSV encoder
• add top-link.html.in (becomes libxo.html)
• better encoder failure error messages for encoder init failure
• change encoder handler to use xo_xff_flags_t
• expose xo_failure at part of API (really just for encoders)
• Docs: fix "::"
• Docs: fix RFC reference; add more words
• Docs: fix index for API
• fix quoting logic in csv encoder
• Docs: fix LIBXO_OPTIONS reference
• indent tables; document the new "xo --instance" option
• Docs: move to RST/Sphinx based documentation
• update test cases
• Docs: add "-N -E" to sphinx
• use ssize_t for buffer offsets
• use xo_streq
• xo: new "--instance" option