UI improvements Fixed#4
Merge pull request #13 from shadowjay1/master

This could be improved by passing the two itemstacks that were exchanged.
Merge pull request #15 from shadowjay1/master

Shift-left and shift-right clicking on exchange blocks to change amounts. Fixed #7
Updated Jar, added to update folder on CivTest too
Fixed Set Command
I'm thinking this is what it was supposed to be.