http://www.w3.org/TR/SVG11/pservers.html#GradientStops

Gradient offset values less than 0 (or less than 0%) are rounded up to 0%. Gradient offset values greater than 1 (or greater than 100%) are rounded down to 100%.
added namespace check
fixed loading of documents with unknown elements
Merge pull request #50 from messani/master

Parsing documents from inkscape
Merge remote-tracking branch 'origin/master' into textEvents
Merge pull request #47 from andreichuk/changes

offset of Gradient stop
Merge remote-tracking branch 'origin/master' into textEvents
cosmetics