Creates a pipeline field with the provided attributes.
		Args:
			pipeline_key	specifying the pipeline to add the field to
			name			required name string
			field_type		required type string [TEXT_INPUT, DATE or PERSON]
			kwargs			{}
			return			(status code, field dict)

def create_pipeline_field(self, pipeline_key, name, field_type, **kwargs):
		'''Creates a pipeline field with the provided attributes.
		Args:
			pipeline_key	specifying the pipeline to add the field to
			name			required name string
			field_type		required type string [TEXT_INPUT, DATE or PERSON]
			kwargs			{}
			return			(status code, field dict)
		'''

		uri = '/'.join([self.api_uri,
						self.pipelines_suffix,
						pipeline_key,
						self.fields_suffix
						])
		
		code, data = self._create_field(uri, name, field_type, **kwargs)
		
		return code, data