accessing
getMessages
	| lastTweetsRaw customQuery lastTweets |
	lastTweetsRaw := self rssFeed xmlDocument xpath: '//item'.
	lastTweets := TweetsCollection new.
	customQuery := Dictionary new
		at: 'parameters' put: self;
		at: 'date' put: DateAndTime now;
		yourself.
	lastTweets query: customQuery. 
	lastTweetsRaw doWithIndex: [ :rssTweet :i | | tempTweet |
		tempTweet := Tweet new fromNitterRssItem: rssTweet.
		tempTweet metadata 
			at: 'queryDate' put: (customQuery at: 'date');
			at: 'order' put: i;
			yourself.
		tempTweet user userName = self userName 
			ifFalse: [ tempTweet retweetedBy add: self userName ].
		lastTweets add: tempTweet
	].
	^ lastTweets