Update README.

Signed-off-by: Ashutosh Dhundhara <ashutoshdhundhara@yahoo.com>
Move README to RST format.

Signed-off-by: Ashutosh Dhundhara <ashutoshdhundhara@yahoo.com>
Merge pull request #4 from vidhant/master

Adding add and delete expense functionality.
Fix reload issue after addition and deletion.

Signed-off-by: Ashutosh Dhundhara <ashutoshdhundhara@yahoo.com>
Updating the messages on balance greater than 10000 or less than 0.
Modified complaint table creation query.