Added:
+Kits can be previewed with signs!
+Source code
Tested on New Minecraft and EssentialsX Versions:
*Works on Minecraft 1.9, 1.10, 1.11, 1.12, and 1.13
*Works on EssentialsX 2.16.1.0 ONLY

A Descent Essentials Kit Preview 1.0.3
A GUI Kit Preview Plugin for EssentialsX