Bug Fixed: Wave declaration for SineProc() and CosProc() (regarding the Sine and Cosine generation for the reference signal), now it is in the right execution order. (Thanks to hrodstein for his suggestion)

Major Changes: Added the LoadWave option to the LockinProc(), now it is possible to select the data wave you want to be filtered by the Lock-in procedure, by means of a pop-up dialog window

GUI: Full version