Dependencies of libDwg with libFMap removed
first version in cvs after libDwg<->libFMap disacopling
changes in exceptinos api
added roi filtering, reordering of code
Exceptions
solved bug with text orientation
Compatibilizado con branch v10
added debug of dwg class
refactoring of blocks
refactoring to optimize and simplify the code
Refactoring general para evitar dar tantas pasadas en la carga, y para incrementarla legibilidad del codigo (demasiados if-else-if en vez de usar polimorfismo)