Jean Ferreira committed [r15]

Added and updated code.

Jean Ferreira committed [r14]

Added and updated code.

Jean Ferreira committed [r13]

Added and updated code.

Jean Ferreira committed [r8]

Jean Ferreira committed [r7]

New Class

Jean Ferreira committed [r6]

New package

Jean Ferreira committed [r5]

comit test for Jean Ferreira