pames

I would say:
"a bunch of problems came up and I had to solve them as soon as possible, but now they are all solved"

As regards your question, your sentence is written in a very common form of passive voice used in Spanish called "pasiva refleja"

http://spanish.about.com/cs/verbs/a/passive_se.htm

check this site to see how to use it

hope it helps

__________________
«Un traductor debe ser desconfiado, cauteloso, no puede tener ninguna relación ingenua con las palabras. Debe defenderse de la magia del lenguaje, aunque eso es, precisamente, lo que lo haya llevado a elegir lo que muchos de ellos catalogan como una profesión esquizofrénica».
Jorge Luis Borges