added set method to allow for setting arbitrary options. update get m…

…ethod to take a default value and not error if the option doesn't exist.

options/options.php

@@ -100,10 +100,23 @@ function __construct($sections = array(), $args = array(), $extra_tabs = array()
 	 *
 	 * @param $array $args Arguments. Class constructor arguments.
 	*/
-	function get($opt_name){
-		return $this->options[$opt_name];
+	function get($opt_name, $default = null){
+		return (!empty($this->options[$opt_name])) ? $this->options[$opt_name] : $default;
 	}//function
 
+	/**
+	 * ->set(); This is used to set an arbitrary option in the options array
+	 *
+	 * @since NHP_Options 1.0.1
+	 * 
+	 * @param string $opt_name the name of the option being added
+	 * @param mixed $value the value of the option being added
+	 */
+	function set($opt_name, $value) {
+		$this->options[$opt_name] = $value;
+		update_option($this->args['opt_name'], $this->options);
+	}
+
 	/**
 	 * ->show(); This is used to echo and option value from the options array
 	 *
@@ -441,8 +454,8 @@ function _validate_options($plugin_options){
 		unset($plugin_options['import']);
 		unset($plugin_options['import_code']);
 		unset($plugin_options['import_link']);
-
-		return $plugin_options;	
+
+		return $plugin_options;	
 
 	}//function