arrivals
v2.1.2 poisson process arrival
test
node test/index.js is_linted
find . -name '*.js' | grep -v node_modules | grep -v coverage | xargs eslint coverage
istanbul cover test/index.js && istanbul check-coverage node test/index.js find . -name '*.js' | grep -v node_modules | grep -v coverage | xargs eslint istanbul cover test/index.js && istanbul check-coverage 
