WIP: initial prototype

- Added support for different format of requestTimemout
- Changed api method result
- Now we are always returning the result in case of error
- Improved body deserialization
- Added cast to boolen for HEAD requests
- Added support for already serialized strings in the ndserializer
- Fixed qserializer in case of null object
- Updated Errors

lib/Serializer.js

@@ -32,13 +32,18 @@ class Serializer {
     }
     var ndjson = ''
     for (var i = 0, len = array.length; i < len; i++) {
-      ndjson += this.serialize(array[i]) + '\n'
+      if (typeof array[i] === 'string') {
+        ndjson += array[i] + '\n'
+      } else {
+        ndjson += this.serialize(array[i]) + '\n'
+      }
     }
     return ndjson
   }
 
   qserialize (object) {
     debug('qserialize', object)
+    if (object == null) return ''
     // arrays should be serialized as comma separated list
     const keys = Object.keys(object)
     for (var i = 0, len = keys.length; i < len; i++) {