Minimal difference to fix range query regression

gistfile1.diff

diff --git a/src/main/java/com/github/rnewson/couchdb/lucene/couchdb/FieldType.java b/src/main/java/com/github/rnewson/couchdb/lucene/couchdb/FieldType.java
index aa5eb0d..3b77885 100644
--- a/src/main/java/com/github/rnewson/couchdb/lucene/couchdb/FieldType.java
+++ b/src/main/java/com/github/rnewson/couchdb/lucene/couchdb/FieldType.java
@@ -145,7 +145,7 @@ public enum FieldType {
         @Override
         public Query toRangeQuery(final String name, final String lower, final String upper,
                                   final boolean lowerInclusive, final boolean upperInclusive) {
-            return NumericRangeQuery.newLongRange(name, precisionStep, toLong(lower), toLong(upper),
+            return NumericRangeQuery.newLongRange(name, toLong(lower), toLong(upper),
                     lowerInclusive, upperInclusive);
         }