Misspelling of bocks

Missing of character l in bocks
Added logging (w/ timeit) exercises
Merge pull request #15 from minaeid90/master

Misspelling of bocks
Renamed some modules to avoid import conflicts
Merge remote-tracking branch 'origin/master'
Minor changes in logging timing exercise
Merge branch 'master' of https://github.com/pablito56/pycourse into modules
added mysqldb