Load a tree from disk.

            Essentially, this reads a disk filetree into an snode tree.

            :param kwargs:
            :return:

def tree_load(**kwargs):
            """
            Load a tree from disk.

            Essentially, this reads a disk filetree into an snode tree.

            :param kwargs:
            :return:
            """
            str_pathDiskRoot    = ''
            b_loadJSON          = True
            b_loadPickle        = False
            for key, val in kwargs.items():
                if key == 'pathDiskRoot':   str_pathDiskRoot    = val
                if key == 'loadJSON':       b_loadJSON          = val
                if key == 'loadPickle':     b_loadPickle        = val

            l_dir   = []
            l_file  = []
            for str_root, l_directories, l_filenames in os.walk(str_pathDiskRoot):
                for str_dir in l_directories:
                    l_dir.append(os.path.join(str_root, str_dir))
                for str_file in l_filenames:
                    l_file.append(os.path.join(str_root, str_file))
            stree_dirs  = [d.replace(str_pathDiskRoot, '') for d in l_dir]
            stree_files = [f.replace(str_pathDiskRoot, '') for f in l_file]

            # Create the tree
            rtree       = C_stree()
            # Build the directory structures
            for d in stree_dirs:
                # print(d)
                rtree.mkdir(d)
            # Now read any files
            for f in stree_files:
                dirname     = os.path.dirname(f)
                filename    = os.path.basename(f)
                # print(f)
                if b_loadJSON:
                    with open(str_pathDiskRoot + '/' + f, 'r') as fp:
                        contents = json.load(fp)
                        fp.close()
                if b_loadPickle:
                    with open(str_pathDiskRoot + '/' + f, 'rb') as fp:
                        contents = pickle.load(fp)
                        fp.close()

                if rtree.cd(dirname)['status']:
                    rtree.touch(filename, contents)

            return rtree