ignoring just workspace.xml
Merge branch 'master' of https://github.com/itrion/GitIntro

# By Ronny Ancorini
# Via Ronny Ancorini
* 'master' of https://github.com/itrion/GitIntro:
  removed misc.xml
  por fin !!
  Puto workspace.xml
  Improve sum()
  gitignore modified
  gitignore modified

Conflicts:
	.gitignore
the calculator is able to multiply