Rename _requires_body -> _allows_empty_body

The logic was backwards in relation to the name

Author: bbrtj

lib/Thunderhorse/Response.pm

@@ -21,7 +21,7 @@ sub update ($self, $scope, $receive, $send)
 	$self->{scope} = $scope;
 }
 
-sub _requires_body ($self, $status)
+sub _allows_empty_body ($self, $status)
 {
 	# HTTP protocol hardcodes - these statuses can have empty bodies
 	return $status < 200
@@ -33,7 +33,7 @@ sub is_ready ($self)
 {
 	return true if $self->has_body_source;
 
-	return $self->_requires_body($self->status)
+	return $self->_allows_empty_body($self->status)
 		if $self->has_status;
 
 	return false;