Query the Kraken API in Java.
Run the examples with:
# input your API keys in api-keys.properties
cp examples/src/main/resources/api-keys.properties.example \
examples/src/main/resources/api-keys.properties
# build project
mvn clean install
# run Examples class
mvn -q -pl examples exec:java -Dexec.mainClass=dev.andstuff.kraken.example.Examples