Feature implementation from commits a569ed8..f2c861a

[yashuatla]

PR Summary

Test Framework Improvements and URL Path Handling Enhancements

Overview

This PR improves test reliability by replacing assert with require in test files and adds support for escaped colons in URL paths along with YAML MIME type handling.

Change Types

Type	Description
Enhancement	Added support for MIMEYAML2 MIME type in Context.Negotiate
Enhancement	Added support for escaped colons in URL paths
Bugfix	Added nil check before calling nameOfFunction() to prevent runtime panic
Refactor	Changed test assertions from assert to require for improved test failure handling

---

Affected Modules

Module / File	Change Description
binding_*.go	Replaced assert with require in test files
context.go	Added MIMEYAML2 support and nil check for handlers
context_test.go	Updated tests for MIMEYAML2 and improved assertions
gin.go	Added updateRouteTree and updateRouteTrees functions
tree_test.go	Added tests for escaped colons in URL paths
render_test.go	Improved test assertions
debug_test.go	Improved test assertions
fs_test.go	Improved test assertions

---

Notes for Reviewers

• The change from assert to require makes tests fail immediately on error rather than continuing with invalid state
• New URL path handling for escaped colons should be thoroughly tested
• Verify that the nil check for handlers properly prevents potential panics