Check for null values, similar to c5fa52d

Author: alchemistmatt

src/main/java/edu/ucsd/msjava/params/FloatParameter.java

@@ -13,6 +13,11 @@ public String parse(String value) {
         try {
             super.value = Float.valueOf(value);
 
+            if (minValue == null)
+                minValue = Float.NEGATIVE_INFINITY;
+
+            if (maxValue == null)
+                maxValue = Float.POSITIVE_INFINITY;
 
             String range = getValidRange();
             if (this.value < minValue || this.value > maxValue ||