Release 0.5.1 ============= * svg: implement overflow, viewBox and preserveAspectRatio for (Emmanuel) * svg: fix a crash in blur filter in case of a null input surface (Emmanuel * svg: support * svg: support * svg: support * svg: support * svg: support * svg: support * svg: use Mario Klingeman's stackblur algorithm for * mathml: negative spacing constant support (Garen) * mathml: minlabelspacing support for (Garen) * introspection: better python support (Emmanuel) * cairo: avoid integer oveflow (RyuzakiKK) * build: OSX compilation fix (Garen) * translation updates (Мирослав, Aurimas, Balázs, Piotr, Tom, Anders, Daniel, Andika, Marek, Pedro, Duarte, Cédric, Samir, Serdar, Ask, Milo, Rūdolfs, Nathan, Matej, Fabio, Aron, Mario, Rafael, Andika)