accessing
tweets
	| subcollection |
	self messages ifEmpty: [ self getMessages ].
	"TO DO: It seems that Twitter changes the user id, which we thought was unchangeable. This deals with the detected changes so far."
	self userName = 'FranciaMarquezM'
		ifFalse: [ 
			subcollection := self messages select: [ :each | each authorId = self id ] ]
		ifTrue: [
			subcollection := self messages 
				select: [ :each | (each authorId = '1510420950801698826') or: [ each authorId = self id ] ]
		 ].
	^ TweetsCollection new
		messages: subcollection;
		yourself