6.5.1: Remove ensure

• Merged PR #9: Rewrite code to avoid ensure() statements - @thekid

6.5.0: Enter PHP 5.5

• Heads up: Dropped PHP 5.4 support. Note: As the main source is not
  touched, unofficial PHP 5.4 support is still available though not tested
  with Travis-CI.
  (@thekid)

6.4.4: Path to PHP7

• Rewrote code to ue literal() instead of xp::reflect(). See
  xp-framework/rfc#298
  (@thekid)

6.4.3: Missing types

• Merged PR #7: Add missing types (Sybase, MySQL) - @kiesel

6.4.2: PHP 5.4 syntax

• Merged PR #6: Use short array syntax / ::class in annotations - @thekid

6.4.1: Long TDS packets

• Fixed problem with TDS packets longer than packet size - @thekid

6.4.0: Forward compatibility, bugfixes

• Added forward compatibility with XP 6.4.0 - @thekid
• Fixed rdbms.finder.FinderMethod to throw correct exception - @thekid
• Changed rdbms.tds.TdsConnection's toString() to use a less-verbose way
  of displaying which protocol is used.
  (@thekid)

6.3.2: Long running queries

• Overwrite default socket timeouts with -1 (no timeout). This way SQL
  queries which take longer than 60 seconds will still execute'
  (@thekid)

6.3.1: PHP7, HHVM

• Fixed issue #5: Support for HHVM - @thekid
• Added forward compatibility with PHP7 - @thekid

6.3.0: Autoconnect

• Changed the default for autoconnect to true, that is, if it is omitted
  from the DSN, it will automatically connect. If the driver should not
  automatically connect, add ?autoconnect=0 to the DSN.
  (@thekid)