Merge pull request #3 from computo-fc/master

Actualizando el Fork
Merge pull request #4 from computo-fc/master

Actualizando el Fork
Se *aleatorizaron* varios test definiendo una funcion auxiliar llamada TwoReals
Merge branch 'master' of https://github.com/computo-fc/metodos_rigurosos
Merge branch 'LL' of https://github.com/LauraMA/metodos_rigurosos into LL