added README.md

fix bug when processing empty page

fixed error in .spawn statement

Added .gitignore

scale the pdf depending on the resolution of the scanned images

small fix

new Error() fix

implemented cancelling of conversion

removed global variable and implemented temporary subdirs

split PDF in pages for individual processing and removed conversion options since we now extract the original images instead of converting entire pages

fix previous commit

wait for infile to be written before starting conversion

initital commit

code cleanup and small fixes

switched from exec to spawn to avoid buffering of stderr on windows