I had/have the exact same thing hun. To start with I could poo quite easily and then about 1 week postpartum I started having just what you described. I take lactulose which helped and now that the episiotomy is healing (I had stitches that burst) I'm finding that the whole number 2 issue is gradually getting more and more normal.
I took LO for his 6-8 week checkup today and asked the doctor about this and the weeing issues. She was much more helpful than most other docs / midwives that I've spoken to before and said that it's really common for an episiotomy to cause these problems as the muscle being damaged can affect how everything else down there works and as it heals, gradually things will go back to normal. With the wee problem I've had it quite badly, but this is due to the nerves to the bladder and urethra being bruised during delivery by baby's head, especially if labour is long and the pushing takes a long time. I also had forceps which did more damage and partly why it's taking so long for things to get back to normal - my urethra area still feels bruised and sore nearly eight weeks on
I recommend the lactulose and drinking plenty of water to help you go, but I'm sure it will get easier and more normal as things heal up, it's just a pain in the butt (literally!) aiting for it to happen!!