Bump version to re-release.

CurseForge appears to be rejecting this because of hash conflicts.

Author: noobanidus

gradle.properties

@@ -26,7 +26,7 @@ asm_version=9.7
 ## Mod Properties
 mod_id=lootr
 mod_name=Lootr
-mod_version=1.14.37.90
+mod_version=1.14.37.91
 mod_description=Generates unique loot for each player that opens a loot container.
 sources_url=https://github.com/LootrMinecraft/Lootr
 issues_url=https://github.com/LootrMinecraft/Lootr/issues