Making cut outs in PCB

No worries. The term cutouts is a little ambiguous but in the case of Fritzing PCBs it only refers to holes in the board not notches and indents etc.

Two things I did notice when I checked out the file in Inkscape were the fact you did not have a stroke set for the silkscreen and it seems to have a refs2 group with gradient data in it. Neither cause an issue but if you intended to have a silkscreen boarder you will want to set it to have a stroke (boards look better WITHOUT an outline). The refs2 group can have all of its data removed without any problem. I am not sure what they are for and Fritzing seems to ignore them.