Class Swift_Preferences

Changes some global preference settings in Swift Mailer.

Package: Swift
Author: Chris Corbyn
Located at classes/swiftmailer/lib/classes/Swift/Preferences.php

Methods summary
`private`	# `__construct( )` Constructor not to be used Constructor not to be used
`public static Swift_Preferences`	# `getInstance( )` Get a new instance of Preferences. Get a new instance of Preferences. Returns `Swift_Preferences`
`public Swift_Preferences`	# `setCharset( string $charset )` Set the default charset used. Set the default charset used. Parameters `$charset` Returns `Swift_Preferences`
`public Swift_Preferences`	# `setTempDir( string $dir )` Set the directory where temporary files can be saved. Set the directory where temporary files can be saved. Parameters `$dir` Returns `Swift_Preferences`
`public Swift_Preferences`	# `setCacheType( string $type )` Set the type of cache to use (i.e. "disk" or "array"). Set the type of cache to use (i.e. "disk" or "array"). Parameters `$type` Returns `Swift_Preferences`
`public Swift_Preferences`	# `setQPDotEscape( boolean $dotEscape )` Add the Add the Parameters `$dotEscape` Returns `Swift_Preferences`

Properties summary
`private static`	`$_instance` Singleton instance Singleton instance	# `null`