pullrequest overview: fix 'my pullrequests' overview Commit bd4f453a0055 fixed the pager links on pullrequest overviews, but broke the 'my pull requests' page due to insufficient testing and incomplete Python understanding.

[tox]
envlist = py{26,27}-{pytest,nose}

[testenv]
setenv =
    PYTHONHASHSEED = 0
deps =
    nose: nose
    pytest: pytest
commands =
    nose: nosetests {posargs}
    pytest: py.test {posargs}