Initial commit
Create README.md
create a document and store it.
Merge remote-tracking branch 'origin/master'
renamed file to be more meaningful
replaced instanciation of QueryBuilder() with direct call to QueryBuilder.start();

Updated documentation.
Removed stupid test for boolean.
added .gitignore to remove idead IntelliJ and auto-generated resources from git.
added constants for ease of use.
added .gitignore to removed autogenerated resources
added homework 2.2 in Java
added simple document change classes
added resources for various homework 2.1 & 3.1
fixed typo and various warnings
added homework31 and associated constants