web3.php update

Author: serderovsh

composer.json

@@ -21,7 +21,7 @@
     "require": {
         "php": "^7.2",
         "guzzlehttp/guzzle": "^7.0",
-        "iexbase/web3.php": "^2.0",
+        "iexbase/web3.php": "^2.0.1",
         "kornrunner/secp256k1": "^0.1.2",
         "simplito/elliptic-php": "^1.0"
     },