Merge pull request #9 from yuvalg/Efius-Trainus

added debug stuff
Merge pull request #10 from yuvalg/Efius-Trainus

debug
db-structure:
	added init in addnode
Merge pull request #11 from yuvalg/yuval-debug

db-structure:
added books.h...
Merge pull request #12 from yuvalg/inprogress-yuvalg

added books.h...
added linked list
books work in progress