0.1.0
		+Events.uuid
		+Attributes.uuid
0.2.0	
		Attributes.value -> Attributes.value1
0.2.0.1
		+Attributes.value2
0.2.1
		Servers.lastfetchedid -> Servers.lastpulledid
0.2.1.1
		+Servers.lastpushedid
0.2.2	
		+Users.role_id
		+Roles
		+Logs
0.2.3