More header fixage, 'using' statement removal.
tree848a1f48d440652cfba835ee81c6639fdb9c9392
drwxr-xr-x - AstroToolbox
-rw-r--r-- 2227 CMakeLists.txt
drwxr-xr-x - Functions
drwxr-xr-x - GOclasses
drwxr-xr-x - SolversThreads
-rw-r--r-- 266 constants.h
drwxr-xr-x - external_headers
-rw-r--r-- 28542 main.cpp