bump sdk to latest version, avoids textdecoder dep
bump sdk to latest version, avoids textdecoder dep

blocktrail/blocktrail-webwallet,blocktrail/blocktrail-webwallet,blocktrail/blocktrail-webwallet,blocktrail/blocktrail-webwallet,blocktrail/blocktrail-webwallet,blocktrail/blocktrail-webwallet