Documentation Changes

changes from previous version:

documented embedded code
added license section changed kind of numeration for documentation version to align it to sdlBasic style added debugging section added stop command page documented new features of version 20051001 ported all the documentation from pdf to html documented command: argument$() documented command: spriteZ() documented command: bobZ() documented command: screenZ() documented constant: dcbasic_date documented constant: dcbasic_version documented constant: num_screens documented constant: num_images documented constant: num_sprites documented constant: num_bobs documented constant: num_waves documented constant: num_membank documented constant: num_numsocks documented constant: isOpenBSD documented constant: isMOS documented constant: isFBSD documented constant: isNetBSD documented function: self subtraction documented function: self addition fixed description for flag value in screenOpen() command documented command: loadZipImage documented command: loadZipSound() documented command: loadZipMusic() documented command: getFont()