The following are the changes made in this pull request:
1) Linked highlighted feature to randomization algorithm
2) Changed definitions for current_events, now split into query_all_sign_up_events() and query_all_ongoing_events()
3) Attempted to solve JSON serializable bug
4) Removed eventType from frontend and DB
5) Edited randomization feature to include events with no options
The following are the changes made in this pull request: 1) Linked highlighted feature to randomization algorithm 2) Changed definitions for current_events, now split into query_all_sign_up_events() and query_all_ongoing_events() 3) Attempted to solve JSON serializable bug 4) Removed eventType from frontend and DB 5) Edited randomization feature to include events with no options