6.2.1: XP7 Forward compatibility

• Fix code to use nameof() instead of the deprecated getClassName()
  method from lang.Generic. See xp-framework/core#120
  (@thekid)

6.2.0: Forward compatibility with XP7

• Refactored API to provide its own dedicated Header class inside the
  peer.http package instead of relying on the deprecated one in XP
  framework core, retaining BC.
  (@thekid)
• Refactored API to use util.Secret class instead of the deprecated
  security.SecureString internally, retaining BC.
  (@thekid)

6.1.3: Encoding and proxy fixes

• Merged PR #14: Port PR xp-framework/xp-framework#381 - getPayload()
  failed when array key contained spaces.
  @melogamepay, @kiesel
• Fixed issue #12: Fatal error when ext/com is not present on Windows
  @thekid

6.1.2: PHP 5.4 syntax

• Merged PR #11: Use short array syntax / ::class in annotations - @thekid

6.1.1: Forward compatibility

• Added forward compatibility with XP 6.4.0 - @thekid
• Added preliminary PHP 7 support (alpha2, beta1) - @thekid

6.1.0: Request data

• Changed functionality to always send data in body if a RequestData instance
  is given. See pull requests #4 and #10.
  (@kiesel, @thekid)

6.0.1: Hello XP6

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

6.0.0: Proxy support

• Added new method HttpResponse::in() as replacement for getInputStream()
  being consistent with core framework (peer.Socket and io.File classes)
  (@thekid)
• Work to support HTTP proxies transparently:
  • Detect and use system proxy settings per default (PR #3)
  • Forcing a direct connection possible using setProxy(HttpProxy::NONE)
  • Implement using "CONNECT" for tunneling HTTPS through proxy (PR #2)
  • Use "GET http://..." for HTTP through a proxy
    (@thekid)
• Heads up: Converted classes to PHP 5.3 namespaces - (@thekid)