v0.4.0

🚀 New

• Add Query method in context to get queries from the request
• Add JSON method in context to pass JSON object in request
• Split the SetHeader method to SetResponseHeader and SetRequestHeader
• Split the GetHeader method to GetResponseHeader and GetRequestHeader
• Add the SetContentType method in context to define content-type in the request
• Add the Accepts method to check if the specified content types are acceptable

🧹 Updates

• Use header helpers methods in context