accessing
getMessages
	| lastTweetsRaw customQuery lastTweets |
	lastTweetsRaw := self rssFeed xmlDocument xpath: '//item'.
	lastTweets := TweetsCollection new.
	customQuery := Dictionary new
		at: 'parameters' put: self userNameLink;
		at: 'date' put: DateAndTime now;
		yourself.
	lastTweets query: customQuery. 
	lastTweetsRaw doWithIndex: [ :rssTweet :i | | current previous |
		current := Tweet new fromNitterRssItem: rssTweet.
		i < lastTweetsRaw size ifTrue: [
			previous := Tweet new fromNitterRssItem: (lastTweetsRaw at: i + 1).
		 	current timelines  
			 	at: self userName put: previous id;
			 	yourself.
		].
		current queries add: customQuery.
		lastTweets add: current.
	].
	self tweets: lastTweets.
	^ self tweets