renamed ifCRLF to trimCRLF to more accurately reflect the function.

ZString.h

@@ -413,10 +413,12 @@ namespace coreutils {
       char charAt(int index);
       
       ///
-      ///
+      /// Retrurns true if the end of the ZString ends with CRLF. Does not
+      /// Affect cursor position unless cursor is beyond the length of the line
+      /// after trimming.
       ///
       
-      bool ifCRLF();
+      bool trimCRLF();
 
       ///
       /// Returns the character at the cursor and advances the cursor one