Example of svg id being supplied, better input handling of svg ids

lib/squib/api/image.rb

@@ -30,6 +30,7 @@ module Squib
     def svg(range: :all, file: nil, id: nil, x: 0, y: 0, width: :native, height: :native)
       range = rangeify(range)
       file = fileify(file)
+      id = idify(id)
       range.each{ |i| @cards[i].svg(file, id, x, y, width, height) }
     end
 

lib/squib/input_helpers.rb

@@ -58,6 +58,14 @@ module Squib
     end
     module_function :radiusify
 
+    def idify(svgid)
+      unless svgid.nil?
+        svgid = '#' << svgid unless svgid.start_with? '#'
+      end
+      svgid
+    end
+    module_function :idify
+
     def xyify
       #TODO: Allow negative numbers that subtract from the card width & height
     end