SetUpTests
Merge pull request #1 from joaosilva7/master

absense and IO
mudanças
hack dos enums
d
casts e mais casts
Merge branch 'master' of https://github.com/pcarvalho197/Proj_c

Conflicts:
	ConsoleApplication1/ConsoleApplication1/Absence.cs

sn
Merge branch 'master' of https://github.com/pcarvalho197/Proj_c
Testes done
Merge pull request #3 from lisbao/master

com
Merge pull request #4 from joaosilva7/master

IO stream
construtores sem params
Merge branch 'master' of https://github.com/pcarvalho197/Proj_c
Menus 2