npm ERR! notarget No compatible version found: typescript@'>=1.7.0 <2.0.0'
npm ERR! notarget Valid install targets:
npm ERR! notarget ["0.8.0","0.8.1","0.8.1-1","0.8.2","0.8.3","0.9.0","0.9.0-1","0.9.1","0.9.1-1","0.9.5","0.9.7","1.0.0","1.0.1","1.1.0-1","1.3.0","1.4.1","1.5.0-alpha","1.5.0-beta","1.5.3","1.6.0-dev.20150722.1","1.6.0-dev.20150723","1.6.0-dev.20150724","1.6.0-dev.20150725","1.6.0-dev.20150726","1.6.0-dev.20150727","1.6.0-dev.20150728","1.6.0-dev.20150729","1.6.0-dev.20150730","1.6.0-dev.20150731","1.6.0-dev.20150801","1.6.0-dev.20150802","1.6.0-dev.20150803","1.6.0-dev.20150804","1.6.0-dev.20150805","1.6.0-dev.20150806","1.6.0-dev.20150807","1.6.0-dev.20150808","1.6.0-dev.20150809","1.6.0-dev.20150810","1.6.0-dev.20150811","1.6.0-dev.20150812","1.6.0-dev.20150813","1.6.0-dev.20150814","1.6.0-dev.20150815","1.6.0-dev.20150816","1.6.0-dev.20150817","1.6.0-dev.20150818","1.6.0-dev.20150819","1.6.0-dev.20150820","1.6.0-dev.20150821","1.6.0-dev.20150822","1.6.0-dev.20150823","1.6.0-dev.20150824","1.6.0-dev.20150825","1.7.0-dev.20150826","1.7.0-dev.20150827","1.7.0-dev.20150828","1.7.0-dev.20150829","1.7.0-dev.20150830","1.7.0-dev.20150831","1.7.0-dev.20150901","1.7.0-dev.20150902","1.6.0-beta","1.7.0-dev.20150903","1.7.0-dev.20150904","1.6.0-dev.20150905","1.6.0-dev.20150906","1.6.0-dev.20150907","1.6.0-dev.20150908","1.6.0-dev.20150909","1.6.0-dev.20150910","1.6.0-dev.20150911","1.6.0-dev.20150912","1.6.0-dev.20150913","1.6.0-dev.20150914","1.6.0-dev.20150915","1.7.0-dev.20150916","1.6.2","1.7.0-dev.20150917","1.7.0-dev.20150918","1.7.0-dev.20150919","1.7.0-dev.20150920","1.7.0-dev.20150921","1.7.0-dev.20150922","1.7.0-dev.20150923","1.7.0-dev.20150924","1.7.0-dev.20150925","1.7.0-dev.20150926","1.7.0-dev.20150927","1.7.0-dev.20150928","1.7.0-dev.20150929","1.7.0-dev.20150930","1.7.0-dev.20151001"]

Executing test...
module.js:338
    throw err;
    ^

Error: Cannot find module '/Users/lukeh/dd/TypeScriptSamples/async/bin/ts-async-github-sample'
    at Function.Module._resolveFilename (module.js:336:15)
    at Function.Module._load (module.js:286:25)
    at Function.Module.runMain (module.js:475:10)
    at startup (node.js:117:18)
    at node.js:951:3