retweet_status for example
added singelton class to handle hastag popularity
now has an interface
method no longer catch nullPointerException they now check if the get
returned null
hashtag info is initialized with a hashtag
hashtagBank is now tested
extracted hashtag and hashtagInfo to seperate files
moved the popularity banks to inner package
temporal class that handles tweet with hashtags
added the new interface
a class of tweet holding hashtags
tweets dictionary implementing hashtag popularity incrementation
cleaned up package
extraced the basic histogram handling to a class
added dateUtils of apache to trimm dates
a class to represent a weekly histogram of a period
added a new method to sub between 2 period summ
added new exception type to throw when the substution is not of the same
period typ
* using the new week summery.
* using navigable map to return any part of the required histogram
implemented the sub method
added the throw decleration