improve Webstorm development

[ebrahimiaval]

improve Webstorm development

• change type of value argument of set() to fix "Argument type number is not assignable to parameter type String" warning
• clean up get() comment
• ignore Webstorem local files
• fix "Invalid number of arguments, expected 3" warring

[coveralls]

Coverage remained the same at 88.532% when pulling f0c32f9 on ebrahimiaval:master into c27f5d1 on vicanso:master.

[coveralls]

Coverage remained the same at 88.532% when pulling f0c32f9 on ebrahimiaval:master into c27f5d1 on vicanso:master.

[coveralls]

Coverage remained the same at 88.532% when pulling f0c32f9 on ebrahimiaval:master into c27f5d1 on vicanso:master.