Add more compile checks and resolve warnings

Jan Breuer

2015-04-22 cb9a2ff1daf017a3aee23c70c5210608e19df681

 .gitignore

@@ -1,3 +1,5 @@
*.d

# Object files
*.o

@@ -15,3 +17,11 @@
*.exe
*.out
*.app
*.test
examples/*/test

# Backup files
*~
/libscpi/obj/
/libscpi/dist/