Missing test case: file names containing spaces and special characters

[nlsandler]

While investigating #44 I learned that my reference implementation couldn't handle spaces in file paths (nlsandler/nqcc2#4). Currently, the test suite doesn't catch this issue (unless you happen to check out the test suite at a path that includes spaces.)

Add a chapter 1 test case with a space/quote/double quote in the filename, to make sure these characters are quoted correctly when the driver invokes other commands (e.g. the preprocessor and assembler).