Syntax highlighting improvements, debug log, new snippets

• Add debug logging feature. #291
  Run Rust: Open Debug Log command to open the log, used by on-save check and build.
• Add eprint and eprintln snippets. #283
• Some minor word-wrapping fixes. #315
• Syntax: Some where improvements. #303
• Syntax: allow new lines and comments in lambda parameters #307
• Syntax: Support dyn traits. #308
• Syntax: Anonymous lifetimes #319
• Syntax: Support trait definition bounds and type parameters. #320
• Syntax: Support attributes in type parameters. #321
• Syntax: Unreserve reserved keywords. #322
• Syntax: Rework enums #323
• Syntax: Support comments near struct/union. #324
• Syntax: Support *const raw pointer in (some) type positions. #325
• Syntax: Rewrite macro_rules #326
• Syntax: Support never type in type params. #327
• Syntax: Support HRTB in all type positions. #328
• Syntax: Fix unsafe prefix for function types. #329
• Syntax: Fix extern in fn type. #330

Syntax updates with multiple regions and multiple suggestions

Syntax: Improve visibility modifier
Support messages with multiple regions and multiple suggestions.
Syntax: Some where improvements
Syntax: stdsimd

Syntax highlighting improvements, debug log, new snippets

• Add debug logging feature. #291
  Run Rust: Open Debug Log command to open the log, used by on-save check and build.
• Add eprint and eprintln snippets. #283
• Some minor word-wrapping fixes. #315
• Syntax: Some where improvements. #303
• Syntax: allow new lines and comments in lambda parameters #307
• Syntax: Support dyn traits. #308
• Syntax: Anonymous lifetimes #319
• Syntax: Support trait definition bounds and type parameters. #320
• Syntax: Support attributes in type parameters. #321
• Syntax: Unreserve reserved keywords. #322
• Syntax: Rework enums #323
• Syntax: Support comments near struct/union. #324
• Syntax: Support *const raw pointer in (some) type positions. #325
• Syntax: Rewrite macro_rules #326
• Syntax: Support never type in type params. #327
• Syntax: Support HRTB in all type positions. #328
• Syntax: Fix unsafe prefix for function types. #329
• Syntax: Fix extern in fn type. #330

Syntax updates with multiple regions and multiple suggestions

Syntax: Improve visibility modifier
Support messages with multiple regions and multiple suggestions.
Syntax: Some where improvements
Syntax: stdsimd

Syntax updates and snippet additions

• fn snippet: only display arrow if return type is present
• Syntax: Fix mut in impl
• Syntax: Support break/continue labels.
• Add ".rust" to semicolon scope.
• Syntax: Allow comments in macro definitions

Syntax updates and snippet additions

• fn snippet: only display arrow if return type is present
• Syntax: Fix mut in impl
• Syntax: Support break/continue labels.
• Add ".rust" to semicolon scope.
• Syntax: Allow comments in macro definitions

Syntax updates and snippet additions

• Remove semicolon from the fn snippet
• add a snippet to create a tests module
• add opt-out trait impl syntax
• Support next/prev with multiple views
• Hide, don't delete messages when dismissed.
• Syntax: More stringent escape handling.
• • Allow _ in unicode escapes.
• • Reject byte/char literals with too many chars.
• • Reject non-ascii in byte literals.
• • Reject ascii escape with >0x7f.
• • Reject bad escape sequences.

Syntax updates and snippet additions

• Remove semicolon from the fn snippet
• add a snippet to create a tests module
• add opt-out trait impl syntax
• Support next/prev with multiple views
• Hide, don't delete messages when dismissed.
• Syntax: More stringent escape handling.
• • Allow _ in unicode escapes.
• • Reject byte/char literals with too many chars.
• • Reject non-ascii in byte literals.
• • Reject ascii escape with >0x7f.
• • Reject bad escape sequences.

2.13.0 Improved installation experience

• add 'Updating/Downloading/Documenting/Blocking' to cargo build syntax - https://github.com/rust-lang/rust-enhanced/pull/262/files
• Auto match raw strings. - #265
• bug fix - #273
• Draw regions immediately while compiling. - #288
• Improve message word wrapping to make messages easier to read - #289 (review)
• Improved initial installation experience - #292 (review)
• Improve on-save check status message - #293 (review)

2.13.0 Pre Release -Improved installation experience)

• add 'Updating/Downloading/Documenting/Blocking' to cargo build syntax - https://github.com/rust-lang/rust-enhanced/pull/262/files
• Auto match raw strings. - #265
• bug fix - #273
• Draw regions immediately while compiling. - #288
• Improve message word wrapping to make messages easier to read - #289 (review)
• Improved initial installation experience - #292 (review)
• Improve on-save check status message - #293 (review)