10.1.1: Interrupted read fixes

• Fixed handling in async server for interrupted reads - @thekid

10.1.0: Async server

• Implemented PR #17: Implement asynchronous server. This adds the new
  class peer.server.AsyncServer and changes the handleData() method
  in protocol to be able to return a generator.
  (@thekid)

10.0.2: PHP 8 Sockets compatibility

• Fixed issue #16: PHP 8+ compatibility: ext/sockets after it changed
  from resources to opaque objects.
  (@thekid)
• Fixed issue #15: PHP 8.1 compatibility: Socket select argument types
  (@thekid)
• Prevented warnings when building and extracting query in PHP 8.1
  (@thekid)

10.0.1: SOMAXCONN discovery

• Fixed issue #14: Discover SOMAXCONN programmatically if not defined
  (@thekid)

10.0.0: Drop PHP 5 support

• Fixed "Only the first byte will be assigned to the string offset"
  warning in PHP 8.0
  (@thekid)
• Implemented xp-framework/rfc#334: Drop PHP 5.6:
  . Heads up: Minimum required PHP version now is PHP 7.0.0
  . Rewrote code base, grouping use statements
  . Converted newinstance to anonymous classes
  . Rewrote isset(X) ? X : default to X ?? default
  (@thekid)

9.3.3: XP10 compatibility

• Made compatible with XP 10 - @thekid

9.3.2: Curly braces warnings fix

• Fixed two more Array and string offset access syntax with curly braces
  is deprecated warnings
  (@thekid)

9.3.1: PHP 7.4 compatibility

• Made compatible with PHP 7.4 - refrain using {} for string offsets
  (@thekid)
• Fixed issue xp-forge/web/#57: Call to undefined method xp::stringOf()
  (@thekid)

9.3.0: Select w/ associative arrays

• Preserve keys in arrays passed to Sockets::select() - @thekid

9.2.5: EINTR fix

• Fixed issue #12: Changed Sockets::select() to return NULL instead of
  throwing an error when receiving EINTR, e.g. because of SIGINT.
  (@thekid)