Error system modifications to use error codes rather than string
messages.

Signed-off-by: Henry J. Wylde <accounts+git@hjwylde.com>
Error system modified to allow for more detailed error messages.

Signed-off-by: Henry J. Wylde <accounts+git@hjwylde.com>
Minor edits.

Signed-off-by: Henry J. Wylde <accounts+git@hjwylde.com>
Package change for Token class to the lang package.

Signed-off-by: Henry J. Wylde <accounts+git@hjwylde.com>
Minor refactoring of names.

Signed-off-by: Henry J. Wylde <accounts+git@hjwylde.com>
Added synchronized keyword to make the class thread-safe.

Signed-off-by: Henry J. Wylde <accounts+git@hjwylde.com>
General code cleanup.

Signed-off-by: Henry J. Wylde <accounts+git@hjwylde.com>