Update derbyshire.txt

Added Sidetrack Cave cliff descent rope.
Updated rope length for Carlswark Cavern Eyam Dale Shaft

pitchlengths/derbyshire.txt

@@ -66,6 +66,7 @@ Rowter Hole (to Icecream Trail),[53.3377],[-1.7997],40,33,15,5,5,50,35
 Rowter Hole (to Crystal Orechasm),[53.3377],[-1.7997],40,33,15,5,5,50,35,5,4,5,30,50
 Rowter Hole (to Hourglass Aven),[53.3377],[-1.7997],40,33,15,5,5,50,35,5,4,5,30
 Rowter Hole (to stream sink),[53.3377],[-1.7997],40,33,30
+Sidetrack Cave cliff access,[53.3305],[-1.8261],18
 Snelslow Swallet (Main Entrance to Main Chamber),[53.3375],[-1.8326],18,40
 Snelslow Swallet (Main Entrance to lowest point),[53.3375],[-1.8326],18,40,35
 Suicide Cave,[53.3411],[-1.7949],15,20
@@ -104,7 +105,7 @@ Knotlow Cavern (Chapel Dale Engine Shaft with rebelay at Chain Passage),[53.2036
 Lathkill Head Cave. Garden Path Entrance,[53.1905],[-1.7543],35,30
 Lathkill Head Cave. Top Entrance,[53.1905],[-1.7512],35
 Water Icicle Close Cavern,[53.1781],[-1.7605],34
-Carlswark Cavern. Eyam Dale Shaft,[53.2802],[-1.6739],23
+Carlswark Cavern. Eyam Dale Shaft,[53.2802],[-1.6739],20
 Cussey Pot. To Inglorious Bastards,[53.2853],[-1.6783],15,20,30
 Cussey Pot. To Rocky Horror,[53.2853],[-1.6783],15,25,30
 Eyam Dale House Cave,[53.2829],[-1.6721],25,10