Rename "blenderpack" module to "bpackage"

Also split code into files by class

bpackage/package.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+
+# HACK: seems 'requests' module bundled with blender isn't bundled with 'idna' module. So force system python for now
+# import sys
+# sys.path.insert(0, '/usr/lib/python3.6/site-packages')
+
+import logging
+
+log = logging.getLogger(__name__)
+
+
+class Package:
+    """
+    Stores package methods and metadata
+    """
+
+    def __init__(self, package_dict:dict = None):
+        self.from_dict(package_dict)
+
+    def to_dict(self) -> dict:
+        """
+        Return a dict representation of the package
+        """
+        return {
+                'bl_info': self.bl_info,
+                'url': self.url,
+                }
+
+    def from_dict(self, package_dict: dict):
+        """
+        Get attributes from a dict such as produced by `to_dict`
+        """
+        if package_dict is None:
+            package_dict = {}
+
+        for attr in ('name', 'url', 'bl_info'):
+            setattr(self, attr, package_dict.get(attr))
+
+