remove some unnecessary type declarations

--HG--
extra : transplant_source : %7DH7%21K%3D%B0U%8Dt%06%E3%8BQ%BC%DF%B9%D6%18R
prevent cycles when adding elements as children

--HG--
extra : transplant_source : %0C%2B%10%047%C80%D2%D2%BA%05kBq%AB%D6%EC%40%A8w
fix comments

--HG--
extra : transplant_source : t%FD%CF%82%C9%1CN%E7%E1%88L%09%87%04%F5%B3A%D8D%E9
add simple special case

--HG--
extra : transplant_source : %D5%A9%E2%00%9B%00%A8l%FE%FBmQ%2CAb%E0%06%B4%1D%20
add some tests for no-op cases in addprevious() / addnext()

--HG--
extra : transplant_source : %C6T%E2%11%26J%5E%CB%AAn%10%85A%9E%16%ED%25J%BDe
changelog

--HG--
extra : transplant_source : 4%AF%C1%AE%A0%CD%27A%BE%92%8F%A7%8B%16%14%9F%60%CF%C64
fix declared type and add a comment to it

--HG--
extra : transplant_source : %D0%BE%9F%92%C0%8A%2A%21%82M%9CsV%1E%BB%25%0EYC%F9
minor doc cleanup

--HG--
extra : transplant_source : 9ILj%A7%5DU%13%7Bd%B6%9A%0Adi%8F%1C%D3%BF%D2
fix some doctests in Py3.2

--HG--
extra : transplant_source : %ABp%01%EF%3C%09%88%D5%C5t%0EH%A3%97%B9%E5%09%93%D7z
fix socket leak in networking tests

--HG--
extra : transplant_source : XO%D9M%A3%A1%E5%02%9B%22%25%B6v%EA%AB%C2%B36E%B0
disabled output buffering in travis builds

--HG--
extra : transplant_source : %97%F8%0C%84%97z%9Fl%E7%93%C2e%00%95%9DJJm6B
whitespace

--HG--
extra : transplant_source : %F4%7B%E5%3Dq%8C%BB%B6%14%CFg%11%F0%F3%A7e%18%EEXl
LP#1228881: fix repr(XSLTAccessControl)

--HG--
extra : transplant_source : %C0%F8C%CE%B2W%84%02%04%1B%CD%25%B5%B7%EE%10%C6x%B5%28
changelog
merge lxml-3.2 branch into master