- add cython .cpp files to .gitignore

- raweat.hpp: add empty constructor and introduce "set_file"
- rawmerge.hpp: add initial channel and write_table method
- add rawmeat example to pyt/example.py
- add raw_merger.hpp to main.cpp

.gitignore

@@ -12,4 +12,6 @@ nohup.out
 
 raw_eater.cpp
 
+cyt/*.cpp
+
 *.o