7.0.0: XP7 compatibility

• Adopted semantic versioning. See xp-framework/rfc#300 - @thekid
• Added version compatibility with XP 7 - @thekid

6.2.0: Welcome, XP 6.5 / PHP 5.5

• Heads up: Changed minimum XP version to XP 6.5.0, and with it the
  minimum PHP version to PHP 5.5.
  (@thekid)

6.1.1: Skip empty lines

• Added handling to skip empty lines or lines consisting completely of
  whitespace (space, newlines and tabs).
  (@thekid)

6.1.0: Iterable lines

• Merged #1: Iterable lines - @thekid

6.0.1: Hello XP6

• Changed dependency to use XP ~6.0 (instead of dev-master) - @thekid

6.0.0: Namespaces

• Rewrite CsvObjectWriter and CsvObjectReader to use reflection and
  instead of using array-cast trick and then accessing mangled names.
  (@thekid)
• Heads up: Converted classes to PHP 5.3 namespaces - (@thekid)