Fixed MString and MFile.

MFile.cpp

@@ -3,18 +3,22 @@
 #include <sys/stat.h>
 
 namespace coreutils {
-
+   
    MFile::MFile(coreutils::MString fileName) : fileName(fileName) {
       inFile.open(fileName.c_str());
-//      *this << inFile;
+      *this << inFile;
+//      inFile >> *this;
       inFile.close();      
    }
 
+   MFile::~MFile() {
+      update();
+   }
+      
    void MFile::update() {
       outFile.open(fileName.c_str());
       outFile << *this;
       outFile.close();
-   }
-   
+   }   
 
 }