Better safeRequire

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 doc
 coverage.html
+coverage

lib/utils.js

@@ -4,7 +4,7 @@ function safeRequire(module) {
     try {
         return require(module);
     } catch (e) {
-        console.log('Run "npm install ' + module + '" command to use jugglingdb using this database engine');
+        console.log('Run "npm install jugglingdb ' + module + '" command to use jugglingdb using ' + module + ' database engine');
         process.exit(1);
     }
 }