Fixed erroneous blast method names

The click target event was returning incomplete string causing incorrect
blast method names to be appended in the dropdown list. This fix
is based upon the suggestion #2 by @yeban.

Closes off #119.

Signed-off-by: Vivek Rai <vivekraiiitkgp@gmail.com>
Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>