Removed class OldFormatConverter2.
Updated class Database to conform with the new database schema.
Fixed error message in class ImageData.
Removed unnecessary throws clause from method getData() in class Database.FileEntry.
Added support for Database.FileEntry to class ImageData.
Added support for serialization to byte array in class ImageData.
Moved classes GeneEntry, GenomeEntry and FileEntry into their own files.
Updated class ImageData.
Updated serialization/deserialization and hash computation for class Gene.
Started implementation of class GeneIndex.
Updated some internals of class SessionManager. Still not working...