2.0.0 Fork

This library is a fork of sebastian/diff: While the original diff
implementation has not notably changed, new features were added:

• Configurable limit for lines of context around the modified lines
• Plain PHP templates for displaying diffs in:
  • Plain text
  • Colored POSIX console output
  • HTML
  • Github flavoured Markdown
• Modify existing templates or create your own
• Line numbering based on the "before" string
• Upstream formatter for maintaining compatibility with sebastian/diff — and to keep the original tests around