Fixed bug where erroneous edit would create new blog
began process of converting database access to crud functionality in objects, began process of hadnling error messages appropriatly
Merge branch '0.3' of github.com:CST8218-BlogShare/TestRepo into 1.0
1.Continued process of removing database manipulation from servlets by implemting crud in the related java beans. 2. Continued process of handling and reporting errors correctly at run time. 3. ensured all servlets were included in web.xml