Pdfconduit

--------------------------
- Fixed issue large PDF files issue
- Files taking a long time to write
- File size was too large
- Added progress bar parameters to Encrypt module
- Restored pdfrw methods to upscale, rotate and add because of speed
limitations with PyPDF3
- Added pdf2img.py to convert PDF files to image files

--------------------------
- Fixed test suite and added unit testing modules
- Fixed Label class x and y calculations