Add FeedIcon API call and update dependencies

vendor/github.com/tdewolff/parse/json/parse.go

@@ -99,10 +99,10 @@ func NewParser(r io.Reader) *Parser {
 
 // Err returns the error encountered during tokenization, this is often io.EOF but also other errors can be returned.
 func (p *Parser) Err() error {
-	if err := p.r.Err(); err != nil {
-		return err
+	if p.err != nil {
+		return p.err
 	}
-	return p.err
+	return p.r.Err()
 }
 
 // Restore restores the NULL byte at the end of the buffer.

vendor/github.com/tdewolff/parse/json/parse_test.go

@@ -93,7 +93,8 @@ func TestGrammarsError(t *testing.T) {
 					if tt.col == 0 {
 						test.T(t, p.Err(), io.EOF)
 					} else if perr, ok := p.Err().(*parse.Error); ok {
-						test.T(t, perr.Col, tt.col)
+						_, col, _ := perr.Position()
+						test.T(t, col, tt.col)
 					} else {
 						test.Fail(t, "bad error:", p.Err())
 					}