Also Encode binary strings if ENCODING parameter is set to uppercase 'b'.
Remove unnecessary check for decoding error when printing full vCards to stdout.
Separate vCards by newline-character in output file when backing up contacts.
Fix typo in RFC reference.
Added myself to CONTRIBUTERS.txt as requested.
Merge pull request #100 from toroettg/FixMissingBinaryEncoding

Fix missing binary encoding