3.0.1

• #674: Postgres sql file fixes. (@davesouthey)
• #677: Resources with the name '0' would not get retrieved when using
  Depth: infinity in a PROPFIND request.
• #680: Fix 'autoprefixing' of dead {DAV:}href properties.
• #675: NTLM support in DAV\Client. (@k42b3)
• The zip release ships with sabre/vobject 3.4.5,
  sabre/http 4.0.0, sabre/event 2.0.2,
  sabre/uri 1.0.1 and sabre/xml 1.1.0.