[query] Full support for manipulating multivalue properties
Moved the PHPCR implementations to require-dev

The standalone version is always compiled in a dev environment. The
implementatoins are now only in require-dev allowing the phpcr-shell to
be dependend on without pulling in extra implementations.
Merge pull request #97 from phpcr/move-impls-to-dev

Moved the PHPCR implementations to require-dev
Refactored to use function mapping for UPDATE
Refactored UPD. array func. to only use functions
Removed array tests
Correctly set type and serialize correct value for References

Conflicts:
	CHANGELOG.md
Merge pull request #101 from phpcr/fix_reference_edit

Correctly set type and serialize correct value for References
Merge pull request #90 from phpcr/update_query_indexes

[query] Full support for manipulating multivalue properties
Fixed wrong assertions in tests
Renamed array_set to array_replace_at
Merge pull request #108 from phpcr/fix_update_function_names

Renamed array_set to array_replace_at
Preparing for alpha6
Fixed update
Fixed behavior of node:references

It was showing the paths to the referenced properties not the paths to
the referring nodes.
Merge pull request #112 from phpcr/fix_node_references_command

Fixed behavior of node:references
Added jackalope-fs transport