Merge pull request #101 from dummymarket/solcerror

throw error when solc fails

lib/compiler.js

@@ -17,6 +17,10 @@ Compiler.prototype.compile_solidity = function(contractFile) {
   var source = fs.readFileSync(contractFile).toString();
   var output = solc.compile(source, 1);
 
+  if(output.errors && output.errors.length>0){
+    throw new Error(output.errors[0]);
+  }
+
   var json = output.contracts;
 
   compiled_object = {}