typo

contracts/_0xBitcoinToken.sol

@@ -306,7 +306,7 @@ contract _0xBitcoinToken is ERC20Interface, Owned {
         function mint(uint256 nonce, bytes32 challenge_digest) public returns (bool success) {
 
 
-            //the PoW must contain work that includes a recent etherum block hash (challenge number) and the msg.sender's address to prevent MITM attacks
+            //the PoW must contain work that includes a recent ethereum block hash (challenge number) and the msg.sender's address to prevent MITM attacks
             bytes32 digest =  keccak256(challengeNumber, msg.sender, nonce );
 
             //the challenge digest must match the expected

npm-debug.log

@@ -0,0 +1,27 @@
+0 info it worked if it ends with ok
+1 verbose cli [ '/home/andy/.nvm/versions/node/v7.6.0/bin/node',
+1 verbose cli   '/home/andy/.nvm/versions/node/v7.6.0/bin/npm',
+1 verbose cli   'run',
+1 verbose cli   'help' ]
+2 info using npm@4.1.2
+3 info using node@v7.6.0
+4 verbose stack Error: missing script: help
+4 verbose stack     at run (/home/andy/.nvm/versions/node/v7.6.0/lib/node_modules/npm/lib/run-script.js:151:19)
+4 verbose stack     at /home/andy/.nvm/versions/node/v7.6.0/lib/node_modules/npm/lib/run-script.js:61:5
+4 verbose stack     at /home/andy/.nvm/versions/node/v7.6.0/lib/node_modules/npm/node_modules/read-package-json/read-json.js:356:5
+4 verbose stack     at checkBinReferences_ (/home/andy/.nvm/versions/node/v7.6.0/lib/node_modules/npm/node_modules/read-package-json/read-json.js:320:45)
+4 verbose stack     at final (/home/andy/.nvm/versions/node/v7.6.0/lib/node_modules/npm/node_modules/read-package-json/read-json.js:354:3)
+4 verbose stack     at then (/home/andy/.nvm/versions/node/v7.6.0/lib/node_modules/npm/node_modules/read-package-json/read-json.js:124:5)
+4 verbose stack     at /home/andy/.nvm/versions/node/v7.6.0/lib/node_modules/npm/node_modules/read-package-json/read-json.js:311:12
+4 verbose stack     at /home/andy/.nvm/versions/node/v7.6.0/lib/node_modules/npm/node_modules/graceful-fs/graceful-fs.js:78:16
+4 verbose stack     at tryToString (fs.js:447:3)
+4 verbose stack     at FSReqWrap.readFileAfterClose [as oncomplete] (fs.js:434:12)
+5 verbose cwd /home/andy/dev/0xbitcoin-token
+6 error Linux 4.13.0-32-generic
+7 error argv "/home/andy/.nvm/versions/node/v7.6.0/bin/node" "/home/andy/.nvm/versions/node/v7.6.0/bin/npm" "run" "help"
+8 error node v7.6.0
+9 error npm  v4.1.2
+10 error missing script: help
+11 error If you need help, you may report this error at:
+11 error     <https://github.com/npm/npm/issues>
+12 verbose exit [ 1, true ]