various fixes

.vscode/launch.json

.vscode/tasks.json

Cargo.toml

README.md

examples/bare0.rs

examples/bare1.rs

examples/bare10.rs

examples/bare2.rs

examples/bare3.rs

examples/bare4.rs

examples/bare5.rs

examples/bare6.rs

examples/bare6_nightly.rs

examples/bare7.rs

examples/bare8.rs

examples/bare9.rs

examples/crash.rs

examples/exception_itm.rs

examples/exception_itm_raw.rs

examples/panic.rs