changed the way options are handled.
Yous should create a new file in your project: sigconf.h.
This file will contain all SigLib options for your project.
[fix] bad call
[fix] TRUE and FALSE not defined
[fix] cast
[enh] added min, max and abs macros
[enh] added signail searchfunctions
[fix] feed-forward parameters not correctly computed
[fix] PID k-parameters not correct
[init] added PID_f test