added note for token in 2.2
added note for token in 2.2

ikwattro/neo4j-neoclient,PandawanTechnology/neo4j-php-client,aequasi/neo4j-php-client,powellke/neo4j-neoclient,powellke/neo4j-neoclient,PandawanTechnology/neo4j-php-client,ikwattro/neo4j-neoclient,ikwattro/neo4j-neoclient,pascaldevink/neo4j-neoclient,graphaware/neo4j-php-client,aequasi/neo4j-php-client,pascaldevink/neo4j-neoclient,pascaldevink/neo4j-neoclient,neoxygen/neo4j-neoclient,graphaware/neo4j-php-client,neoxygen/neo4j-neoclient,neoxygen/neo4j-neoclient,powellke/neo4j-neoclient