1.4.0

• New feature #40: added support for multiple files in a single multipart request
• New feature #38: added support for irregular json key / Mendix attribue names, like 'id', 'class', 'da-sh', 'or arbitrarily strings!'
• New feature #44: added support for serializing arrays of primitive values
• New feature #29: added support for content-disposition headers
• Implemented #36: renamed get2 -> getWithParams, post2 -> postWIthParams
• Fixed #35: ThrowCustomRestServiceException also works correctly as webservice exceptions (in Mendix 4 and 5.8+)
• Fixed #39: add more documentation about accepting multiple parameters in a microflow service
• Fixed #41: missing slash in generated service documentation
• Fixed several minor issues (#42, #39, #37)