Use pyphen's fallback mechanism for unknown languages (fix #40)
Don't crash whith documents with no lang attribute
Fix mix-width and max-width for floats (fix #26)
Don't cash on trailing spaces with font-size: 0 (fix #100)
Update columns posititions when tables are translated (fix #82)
Remove print() in tests
Don't forget left and right properties when solving absolute replaced elements position (fix #30)