Release 0.14.0 - 2022-02-06

• Breaking change: The generated template functions have a simpler signature.
• Allow litetimes in template argument types. Issue #106, PR #110.
• Improve error handling in optional warp support, PR #109.
• Current stable rust is 1.57, MSRV is now 1.46.0.
• Update nom dependency to 7.1.0.
• Update optional rsass to 0.23.0.
• Update env_logger to 0.9 and gotham to 0.7.1 in examples
• Dropped support for warp 0.2 (the warp02 feature and example).

Thanks to @JojiiOfficial for reporting #106.