Use transactional connection in  insertIntoHistory
Call updateUserTime() wherever possible
Knapsack problem documentation
Implementing NetworkingFile, a class to handle reading, writing, sending and receiving files
Merge branch 'Joca'
Implement addFile and getFile in the RMI. Fix a bug in NetworkingFile.writeTo
(last commit also implemented password hashing)
Enable the RMI server to check if an idea has associated files. NOT USED YET!
Started sending files
Finish up Joca's shit
synchronizing shit
Fix bug
Fixed the method to compare two dates
Added the method to set relationships between 2 ideas in the ClientConnection class
Added the method to set a relationship between ideas in the client class (Client.java)
Added the "ideasOptions" method to manage all the operations we can do over the ideas when we list them in the "searchIdea" method
Can now print the idea's relations in the manage ideas options
Code cleanup
Added the method to handle the request to set the relationship between 2 ideas on the Server