Fixed getBalance issue

1.0.11

getBalance issue fixed

Update return type

1.0.10

Update return value and type

Update return type

1.0.9

Update return value and type

Fixed Transaction info issue

1.0.8

Update TransactionInfo.php

Fixe Wei format issue

1.0.7

Update Wei.php

Fixe Wei format issue

1.0.6

Update Wei.php

Fixed zero fractioncal issue

1.0.5

Fixed zero fractional value issue

Scientific notation issue fixed

1.0.4

Update Wei construct

1.0.3

Update ContractClient.php

1.0.2

Update ContractClient.php