Merge pull request #9 from starverte/master

Merge from master
Update slides module
Update steel_options function
Revert eb203e9..e6149f8

This rolls back to commit eb203e9f13609e800db3219e24483888d55eeba1.
Implement version tag
Minor changes
Merge pull request #119 from mbeall/master

Steel 1.1.5