Moved InvalidGUIDException inside of Guid and removed
com.mg.aceproject.exceptions.

This is because that exception is only thrown by Guid currently.
Added Language enum.
Added Lcid and WeekAmanagement enums.
Added DecimalValue class.
Added TypicalWorkDay class and fixed Javadocs in Guid
Fixed TypicalWorkDay Javadoc.
Added EmailNotifSubject enum.
Added NaturalNumber.

minor formatting to Guid.
Moved enums to com.mg.aceproject.parameters.values.specific.enums.

The 'specific' folder was getting crowded.
Added ReminderFrequency enum.
Removed ability to store Value.NULL in NaturalNumber.
Added FilterAccessLevel and FilterAccessStatus enums.
Renamed FilterAccessLevel to AccessLevel for more broad use in the API.
Renamed FilterAccessStatus to AccessStatus for more broad use in the
API.
Added TimeEntryMode enum.
Added ExpenseEntryMode enum
Added UserDirectoryAccess enum.
added HelpView enum.
Added EmailLanguage enum.
Added PerPage enum.