Update version number for Alpha1 release
As one of the last things before alpha1 release update version number to 0.0.2 wherever version numbers are referred to.
Places include:-
* defines.h (change oldest version number as well)
* p_race.txt, ego_item.txt, p_class.txt, limits.txt, spell.txt, object.txt, flavor.txt, p_hist.txt, vault.txt, terrain.txt, shop_own.txt, monster.txt, artifact.txt and store.txt
As one of the last things before alpha1 release update version number to 0.0.2 wherever version numbers are referred to.
Places include:-
* defines.h (change oldest version number as well)
* p_race.txt, ego_item.txt, p_class.txt, limits.txt, spell.txt, object.txt, flavor.txt, p_hist.txt, vault.txt, terrain.txt, shop_own.txt, monster.txt, artifact.txt and store.txt