[Serial No] Major updates, code cleanup, "In Store" is now "Available". Serial No can only be created via Stock Entry / Purchase Receipt. Serial No can be auto created using Series if mentioned in Item master

stock/doctype/item/item.txt

@@ -2,7 +2,7 @@
  {
   "creation": "2013-05-03 10:45:46", 
   "docstatus": 0, 
-  "modified": "2013-08-08 14:22:25", 
+  "modified": "2013-08-14 11:46:49", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -300,6 +300,14 @@
   "read_only": 0, 
   "reqd": 1
  }, 
+ {
+  "depends_on": "eval: doc.has_serial_no===\"Yes\"", 
+  "description": "Example: ABCD.#####\nIf series is set and Serial No is not mentioned in transactions, then automatic serial number will be created based on this series. If you always want to explicitly mention Serial Nos for this item. leave this blank.", 
+  "doctype": "DocField", 
+  "fieldname": "serial_no_series", 
+  "fieldtype": "Data", 
+  "label": "Serial Number Series"
+ }, 
  {
   "depends_on": "eval:doc.is_stock_item==\"Yes\"", 
   "doctype": "DocField", 

stock/doctype/item/test_item.py

@@ -194,4 +194,25 @@ test_records = [
 		"is_sub_contracted_item": "No",
 		"stock_uom": "_Test UOM"
 	}],
+	[{
+		"doctype": "Item",
+		"item_code": "_Test Serialized Item With Series",
+		"item_name": "_Test Serialized Item With Series",
+		"description": "_Test Serialized Item",
+		"item_group": "_Test Item Group Desktops",
+		"is_stock_item": "Yes",
+		"default_warehouse": "_Test Warehouse - _TC",
+		"is_asset_item": "No",
+		"has_batch_no": "No",
+		"has_serial_no": "Yes",
+		"serial_no_series": "ABCD.#####",
+		"is_purchase_item": "Yes",
+		"is_sales_item": "Yes",
+		"is_service_item": "No",
+		"is_sample_item": "No",
+		"inspection_required": "No",
+		"is_pro_applicable": "No",
+		"is_sub_contracted_item": "No",
+		"stock_uom": "_Test UOM"
+	}],
 ]