CCF, LFMCW, distance

CCF done, LFMCW signal in array stored, distance detection in CCF
added Float to String Conversion

added posibility to return strings of a float array in fileOps.
[fileOps FloatArrayToString:AIn OfArraySize:ASize]]
Signal Export

included export of CCF and recorded signal to txt file
added audioController implementation for recording
accepted the changes
bugfix logging

fixed bug, forgot to change file logging in trViewController
Changed samples, sampling rate (CCF), send signal initiation

changed number of Samples in processing
changed sampling rate to 44.1Khz in the CCF (was 48Khz before).
Init of SendSignal at programm startup, not at play
preprocessor directives for debugging

added preprocessor directives for debugging, it is now possible to
define NODEBUG in fileOps, processing and ViewControler to deactivate
NSLog commands.
Not included in audioController
further changes on recording and playback

play and stop button are only needed for testing, can be romoved soon
Changed FileHandles

changed FileHandles, windows can now open the files with linebreaks.
no playback
tests with audio session
fix
audio session implementation
cleaned code
cleans
modular buffer creation
testSweep
chirp
mostly optimizations in audio session