Fixed Issue #33 and Issue #35

for #33 : Removed signupDate froclass and used getDate() API call directly
with convertion into sql date format.

for #35 : deleted use of Util.Date() and implemented gertDate() API for
getting System Date.

Signed-off-by: Ashish Namdev <ashish28.sirt@gmail.com>
Fix for Issue #34 : Use Proper variable names

renamed varibale name and some getter , setter methods.

used proper name for variables , methods and objects.

Signed-off-by: Ashish Namdev <ashish28.sirt@gmail.com>