Implement a StemmerPipe and add it to the pipeList
Add csv and results files to git ignore
Fix TopicModelBuilder

the new stop word list through cut offs was not processed correctly
Add split hashtags to the normalized tweet content

-> but too slow
Move LuceneManager to new package

=> refactoring of package structure done
Split the hashtags on upper case letters, add this additional information

to the tweet
Refactor TweetToDBWriter for only saving URLs to DB not the content
Implement the search for tweets in the database

whose urls have not been saved,
but does not work properly because of constraints from the twitter API
Update stop word list with words without meaning but high frequency

add dont, gonna, imma, hey, lol, wanna
Refactor MalletInputFileCreator

to have the date at only one position in code
Implement the extraction of topic scores in TopicModelBuilder

by creating a new container class for topics and write the scores to file