added DataSourceInitializer closeAll method
improved DataSourceInitializer closeAll method
improved DataSourceInitializer closeAll method
added comment on DataSourceInitializer class closeAll method
improved ConnectionContainer.closeConnections class method
improved ConnectionContainer.closeConnections class method
improved MetaCreator.close class method
improved MetaCreator class method
improved Watcher class method
improved Watcher class method
improved some test cases
improved ShutDown class method
improved MetaCreator class method
improved MetaCreator class method
improved EJBContainerImpl class method
improved test cases
improved DataSourceInitializer class
improved DataSourceInitializer class
improved DataSourceInitializer class
upgraded project version in pom.xml and README.MD files