Set max of slider before value

Prevents unnecessary capping of temp HP to 100
Fixes #89

rpg-docs/client/views/character/stats/healthCard/healthCard.html

@@ -28,8 +28,8 @@
 						{{/unless}}
 					</div>
 					<paper-diff-slider class="tempHitPointSlider flex"
-							  value={{left}}
 							  max={{maximum}}
+							  value={{left}}
 							  editable pin
 							  ></paper-diff-slider>
 				</div>