Fix typo and whitespace

Fix to typo in naming and clean up whitespace for layout
Fix Letter definitions

Fix errors in definitions of comma and apostrophe in blocks
Remove code that is not used

Function call not required so removed
Change to use function for block generation

Use a separate function for random block generation
move code from loop to the function
Improvements and comment cleanup

Change where blockname found to make more sense
Comment cleanup to remove confusing, unclear or useless comments
Remove unused import

Remove import of sleep from time as not used
Minor corrections and cleanup

Remove old comments and unused sections
Typo corrections
Add original license for Python API

Original license with Minecraft Python API added
Replace bad example with more useful example

Instead of example showing how not to do something
Show how to use world settings and checkpoints
Add player setting to example

Add how to set the player autojump to example
Rename example 22

Rename file to reflect that includes player setting example as well
Add more examples

Add additional examples of setting and getting exact position
Add example getting console keyboard input (STDIN) to chat
Add default values and shebang

Add default values for the new posn variables
Add shebang line
Add shebang line

Add env based shebang line to all examples and blockData.py
Edit for consistency

Move example in line with switch case used in other languages
Capitalise constants

Capitalise names of dictionaries for 'constants'
Rename variable

Rename dictionaries to new capitalised form