Improve yaml documentacion Fix #100

Extrtacted from https://github.com/schmittjoh/serializer/blob/master/tests/JMS/Serializer/Tests/Metadata/Driver/yml/ObjectWithVirtualProperties.yml
Merge pull request #221 from BraisGabin/patch-1

Improve yaml documentacion Fix #100
Allow to fetch data from has*() with public_method

Same as is*() method, has*() is mostly used with booleans
tests for accessor (public_method)
Merge pull request #243 from jaymecd/patch-1

Allow to fetch data from has*() with public_method
Added test for leading backslash in front of class name to TypeParserTest

testLeadingBackslash added to check if there's a leading backslash in
front of a class name.

Signed-off-by: Alexander Kluth <contact@alexanderkluth.com>
Merge pull request #245 from deralex/master

Added test for leading backslash in front of class name to TypeParserTest
Add support for XML namespace on the XML root element
Merge pull request #246 from andreasferber/xml-rootnamespace

XML root element namespace support
Changed some constraint to allow latest versions
Merge pull request #251 from stof/patch-2

Changed some constraint to allow latest versions
moves driver creation to dedicated class (closes #247)
Merge branch 'master' of git://github.com/schmittjoh/serializer
fixes a regression
Merge commit 'c8a171357ca92b6706e395c757f334902d430ea9'

* commit 'c8a171357ca92b6706e395c757f334902d430ea9':
  fixes a regression
  moves driver creation to dedicated class (closes #247)
  Changed some constraint to allow latest versions
  Add support for XML namespace on the XML root element
  Added test for leading backslash in front of class name to TypeParserTest
  tests for accessor (public_method)
  Allow to fetch data from has*() with public_method
  Improve yaml documentacion Fix #100