Moved wk.obj to wk.hw.obj

* Done because the main classes are CpuRam() and Disk()
  * The rest are there for uniformity while working with HW objects

scripts/wk/__init__.py

@@ -10,7 +10,6 @@ from wk import io
 from wk import kit
 from wk import log
 from wk import net
-from wk import obj
 from wk import os
 from wk import std
 from wk import sw

scripts/wk/hw/__init__.py

@@ -1 +1,3 @@
 """WizardKit: hw module init"""
+
+from wk.hw import obj

scripts/wk/hw/obj.py

@@ -1,4 +1,4 @@
-"""WizardKit: Objects."""
+"""WizardKit: Hardware objects (mostly)."""
 # vim: sts=2 sw=2 ts=2
 
 import logging
@@ -298,6 +298,7 @@ def get_disk_serial_macos(path):
   """Get disk serial using system_profiler, returns str."""
   serial = 'Unknown Serial'
   # TODO: Make it real
+  str(path)
   return serial
 
 
@@ -329,6 +330,7 @@ def get_ram_list_linux():
   # Save details
   return dimm_list
 
+
 def get_ram_list_macos():
   """Get RAM list using system_profiler."""
   dimm_list = []