Merge pull request #3 from khandieyea/master

Fixed issue when trying to use raw input data
Added some markdown
Rename todo.txt to todo.md
Removed checkbox markdown
Update pdftk.php

Added constant variable for project version
Updated .gitignore for intelliJ
Updated readme with correct spelling of pdftk
Update pdftk.php
Version checking

Added function $this->getPdftkVersion(), and backwards compatibility (PDFTK <1.45)
Merge pull request #5 from linwiz/master

Version checking
Merge pull request #6 from linwiz/patch-2

Backwards Compatibility
Fixed spelling errors, spaces rather than tabs (sorry), fixed missing PHPDoc parameters
Added 'project version' class constant
Merge pull request #7 from linwiz/patch-1

Added 'project version' class constant
Minor bug fixes to correct filenames with spaces… updated version to 0.1.2
using the pdftk namespace
Use external config file for easier default (hard-coded) configs without having to edit the large file.
Bugfix: escape output path to allow for spaces in the path
First pass at PSR0 compliant module…
Minor adjustments to formatting…