Fixes/Features/Changes in 1.4.6: * Universal binary for M1 (arm64) and Intel (x86) macs * Minimum supported MacOS version set to 10.14 * Proper dark mode implementation adding MacOS vibrancy effects in background * Supports saving two different pretty print themes (normal and dark mode) * Remove double encoding of spaces in URL box (Issue #152) * Adds environment variable substitution in headers, specified as ${VAR} * Gatekeeper compatible signed release binary * Minor UI arrangement tweaks