v1.3 Release

Changelog:

Enhancements:

• Custom content type and data for multipart request PR #129 @Asker80
• Debug log with concatenated string PR #128 @sudo-suhas
• Allow uncommon HTTP methods to support payloads PR #122 @arun251
• improved override header handling #125 @jeevatkm
• Preserve query string order partially #124 @jeevatkm

Bug Fix:

• Missing query params on relative path request #131 @jeevatkm