Version 4.0.0

• PhantomJS has been upgraded to version 2.0.0
• Added setType to capture request (#34)
• JonnyW\PhantomJs\Message namespace has now changed to JonnyW\PhantomJs\Http
• Custom procedures are now validated using PhantomJS and Esprima Parser to remove need for phantomloader bin (#22)
• The use of console.log() to return data from PhantomJS to PHP has been replaced with system.stderr.write() to avoid conflicting with custom procedures (#32)
• Procedures now use input.get[Attribute]() instead of request.get[Attribute]()
• Procedures now support partial templates allowing partial injection instead of overriding a whole template (#34)
• Procedure templates are compiled, validated and cached on first run to improve performance
• Chain procedure loader now adds delegate loaders in reverse order so that custom loaders are run first
• Capture procedure has been removed in favour of partial template injection
• Added PDF support (#35)