Removed old comment
New dialog to show OphaalHistoriek
Add button "ShowOphaalHistoriek"
InfoOphaalpunt() : order in deconstructor is important!

Deconstruct buttons _before_ buttonBox.
Struct to save the information from DB Table ophalinghistoriek
Showing OphaalHistoriek for certain Ophaalpunt_id
OphaalHistoriekDialog() before ModelView
Changing constants #define