update packages

Author: andkom

composer.json

@@ -17,7 +17,7 @@
     "php": "^7.1",
     "bitwasp/bitcoin": "~0.0.34",
     "andkom/php-berkeley-db": "^1.0.0",
-    "andkom/bcdatastream": "^1.0"
+    "andkom/php-bcdatastream": "^1.1"
   },
   "require-dev": {
     "phpunit/phpunit": ">=5.0"