postscript: fix firstblock.startswith + oldpagenum
pkpgpdls: use binaries instead of plain strings
pkpgpdls: fix Error - unknown variable was used
remove some ord()
more str() -> binary() fixes
fix empty block in pnmascii
refactor: reomved space before :
pjl: missing parts of removed space before :
add basic logging to analyzer + pdlparser
detectPDLHandler -> property: self.pdfhandler
analyzer: add checking of available colorspace
fix totiffcommand - it wasnt expanded with local variables
postscript: use rawstring - read lines from file are str not binary