Fixes #6 Searching through notes that includes unicode characters.
Fixes #6 Create, read, update, delete of notes with unicode characters in filenames.
accepting part of erickrs PR #42
adding more tests
Merge branch 'erickr-bug6-edit-unicode-chars'
Merge pull request #40 from erickr/bug6-search

Fixes #6 Searching through notes that includes unicode characters.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	tests/test_basics.py
	tests/test_notes.py