Expand variable section

Expand the variables section.

Signed-off-by: Adam Jimerson <vendion@gmail.com>
Expand on basic types

Expand on the basic types.

Signed-off-by: Adam Jimerson <vendion@gmail.com>
Add section on Custom types

Added a section on custom types.

Signed-off-by: Adam Jimerson <vendion@gmail.com>