v3.7.2

What's Changed

• Refactor gulpfile.js by @Raruto in #48
• Toolbox get origname of layer instead of name by @volterra79 in #33
• Add support for chain filter option within relation reference widget by @volterra79 in #83
• Handle deep relations by @volterra79 in #80

Full Changelog: v3.7.1...v3.7.2