In order to be consistent with the rest of the naming scheme, and in order to avoid conflicts with the higher level rust wrappers, which will be using `Notcurses` for the wrapper struct from now on.
- also deprecate `NotcursesOptions` and rename it to `NcOptions`.
- update examples, docs and readme.
- raw field of new wrapping structs is now public just to the crate.
- NcNotcurses.stdplane method now doesn't return an NcResult since it can't fail.
- rename NcNotcurses to Notcurses and NcNotcursesOptions to NotcursesOptions.
- rename NcPlane::new_termsize constructor to with_termsize.
- bump MSV to 1.48 for the doc links.
- improve lib documentation.
- minor fixes.
Create new wrapping types that can safely encapsulate the mutable references,
and implement Drop and automatic (de)referencing.
- Notcurses
- rename Notcurses* to NcNotcurses*.
- rename NotcursesOptions to NcNotcursesOptions.
- new Notcurses struct.
- implement Drop, AsRef, AsMut, Deref & DerefMut.
- override stop method to be no-op.
- reimplement constructors and associated methods.
- remove without_altscreen_with_banners constructor.
- update examples and tests.
- rustfmt.
We need to use Result<> to manage error flow,
at least on the methods API. This way it will
finally feel idiomatic Rust and more concise.
Also, we can't return a non Result from main.
- rename NcResult to NcIntResult.
- new NcError & NcResult types.
- new error![] macro to reduce boilerplate.
- change return type of NcDirect methods to NcResult.
- refactor several examples to return NcResult:
direct-cursor, poc-direct & poc-kittyzapper.
- BONUS: fix test not stopping notcurses context.
- update lib doc-comment.
- fix typo in readme.
