Some brain storming.
Make note about verify command.
Add first system test.
Add CLI script stub.
Flesing out some code for basic commands.
Implement basic commit/checkout functionality.
Add basic setup.py.
Started MemoryFile implementation.
Add more tests for MemoryFile.
Started MemoryFS implementation with mkdir.
Add test for MemoryFS.get_node().
Improve MemoryFS.mkdir() test.
Handling of parent of root MemoryFS().
Check MemoryFS.get_node() failure condition.
MemoryFS.mkdir(): Exception if dir exists.
Add pylintrc.
Allow to use MemoryFile in with statement.
MemoryFS: Implement opening files for write.
Open MemoryFile on creation.
Implement append mode for MemoryFS.open().