Make PillString case insensitive

fixes #21

Author: dmarkham

.gitignore

@@ -26,3 +26,5 @@ coverage.txt
 *.prof
 
 .idea
+
+enumer

enumer.go

@@ -99,6 +99,7 @@ func (g *Generator) printValueMap(runs [][]Value, typeName string, runsThreshold
 
 		for _, value := range values {
 			g.Printf("\t_%sName%s[%d:%d]: %s,\n", typeName, runID, n, n+len(value.name), &value)
+			g.Printf("\t_%sLowerName%s[%d:%d]: %s,\n", typeName, runID, n, n+len(value.name), &value)
 			n += len(value.name)
 		}
 	}