match_to supports arrays!
cleanup
Merge pull request #628 from neo4jrb/match_to-array

match_to supports arrays!
remove extra param in query_with_target
if is cheaper than case, switch in query_proxy_methods
we had first_rel_to, say hello to rels_to/all_rels_to
use alias_method
Merge pull request #631 from neo4jrb/all_rels_to

we had first_rel_to, say hello to rels_to/all_rels_to
adds queryproxy destroy and delete
Merge pull request #632 from neo4jrb/qp_delete

adds queryproxy destroy and delete
proxy_as lets you move from query to queryproxy
change default `result` identifier behavior, `optional` shortcut, general refactoring of related methods
Travis should test against neo4j 2.2.0
adjust test to pass in 2.1.6 and 2.2.0
Serialized objects should have their IDs
Merge pull request #638 from neo4jrb/proxy_as_and_optional

From Query back to Query Proxy, OPTIONAL MATCH in QP
Travis should use Ruby 2.1.5
bump version to 4.0.0.rc.2