a3c3a1e128
* Simplify code and split into separate routines to facilitate maintaining * Make retry mechanism work on errors during actual download not only during connection establishment phase * Retry on ECONNRESET and ETIMEDOUT during reading data from network * Retry on content too short and various timeout errors * Show error description on retry * Closes #506, closes #809, closes #2849, closes #4240, closes #6023, closes #8625, closes #9483