Fixed body request problem

Fixed multiline body capture request when sent by formdata
Fixed multiline body capture request when sent by url-encoded
Fixed examples

Applying improvements

• End support to PHP < 7.4
• Added dynamic properties in Content class
• New methods in class Request
• Added new methods in Globals classes
• Removing factories

Fix bug

• Fix bug in get body

Improvements

• Added class to get body from xml content type
• Added class to get body from plain text content type
• Added method to get body as object
• Added more tests

Improvements

• Added method to check if value is empty

Improvements

• Create method to get specific header values
• Added methods in GlobalRequest class that manipulate header values

Improvements

• Applying teste in all project
• Improvements in classes

Improvements

• Added class for handle env
• Added values in super globals

Improvements

• Improvements in get form-data body picking
• Improvements in get url-encoded body picking

Improvements

• Added parameter code on redirect method
• Removing unnecessary code