code: public function get(string $sNameOfDi)
  	{
  		if (isset(self::$_aSharedDependencyInjectorContener[md5($sNameOfDi)])) {
  
  			return self::$_aSharedDependencyInjectorContener[md5($sNameOfDi)];
  		}
  		else if (isset($this->_aDependencyInjectorContener[md5($sNameOfDi)])) {
  		    
  		    return $this->_aDependencyInjectorContener[md5($sNameOfDi)];
  		}
  
  		return false;
  	}
docs: get the injection (no replace it if it exists)
  
  @access public
  @param  string $sNameOfDi name of injection
  @return mixed