fixes #10, bom mark in utf-8 files.
fixes #10, bom mark in utf-8 files.

mungerd/plastex,valsdav/plastex,dav94/plastex,dav94/plastex,mungerd/plastex,mungerd/plastex,valsdav/plastex,mungerd/plastex,dav94/plastex,valsdav/plastex,valsdav/plastex,dav94/plastex