Added functions as GetString, GetInt, GetInterface, GetStringArray, GetIntArray, GetInterfaceArray much like those functions describe in the JavaDoc of the Java-client: http://www.aerospike.com/apidocs/java/com/aerospike/client/Record.html
Merge branch 'master' of github.com:EtienneBruines/aerospike-client-go

Conflicts:
	record.go