Changed SparseSet to work with Range objects. Fixed array sorting bug.

src/text/juce_StringArray.cpp

@@ -116,6 +116,12 @@ const String& StringArray::operator[] (const int index) const throw()
     return String::empty;
 }
 
+String& StringArray::getReference (const int index) throw()
+{
+    jassert (((unsigned int) index) < (unsigned int) strings.size());
+    return strings.getReference (index);
+}
+
 void StringArray::add (const String& newString)
 {
     strings.add (newString);

src/text/juce_StringArray.h

@@ -108,6 +108,12 @@ public:
     */
     const String& operator[] (int index) const throw();
 
+    /** Returns a reference to one of the strings in the array.
+        This lets you modify a string in-place in the array, but you must be sure that
+        the index is in-range.
+    */
+    String& getReference (int index) throw();
+
     /** Searches for a string in the array.
 
         The comparison will be case-insensitive if the ignoreCase parameter is true.