Add .gitattributes to try to standardise line endings.
Remove x86 configuration.

The project should build and run correctly in Any CPU.
Upgrade projects to .NET 4.5.
Allow large arrays.

This enables files up to 4GiB to be patched; previously only files up to 512MiB could be patched (because the largest permissible int[] array size was 2GiB and the algorithm allocates one int per byte in the input file).
Remove Logos.Utility dependency. Fixes #4.