perf(frame): reduce bound checks

[rustatian]

Reason for This PR

closes: #125

Description of Changes

• 50% reduce bound checks. Rewrite most of the frame operations.

License Acceptance

By submitting this pull request, I confirm that my contribution is made under
the terms of the MIT license.

PR Checklist

[Author TODO: Meet these criteria.]
[Reviewer TODO: Verify that these criteria are met. Request changes if not]

• All commits in this PR are signed (git commit -s) or (git commit -S).
• The reason for this PR is clearly provided (issue no. or explanation).
• The description of changes is clear and encompassing.
• Any required documentation changes (code and docs) are included in this PR.
• Any user-facing changes are mentioned in CHANGELOG.md.
• All added/changed functionality is tested.

[codecov]

Codecov Report

Merging #143 (e7fe0fc) into master (0b1e40f) will increase coverage by 0.13%.
The diff coverage is 88.88%.

@@            Coverage Diff             @@
##           master     #143      +/-   ##
==========================================
+ Coverage   57.01%   57.14%   +0.13%     
==========================================
  Files           9        9              
  Lines         542      539       -3     
==========================================
- Hits          309      308       -1     
+ Misses        201      200       -1     
+ Partials       32       31       -1     

Impacted Files	Coverage Δ
pkg/rpc/decoders.go	25.49% <40.00%> (ø)
pkg/rpc/client.go	75.00% <75.00%> (ø)
internal/receive.go	80.95% <100.00%> (ø)
pkg/frame/frame.go	88.50% <100.00%> (+1.83%)	⬆️
pkg/rpc/codec.go	64.00% <100.00%> (ø)

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