fix crash
test with other number
use isEmpty method
0.0.5
add robe007 contributor
fix inactive number on getType
change to inactive number
0.0.6
best practice code style google
remove email
added getType example
added getBalance example
add unit test
new feature and reestrucure code
0.0.7
fix isError
0.0.8
fix regular expresion and refactor
0.0.9
fix regular expresion and added debug method