Escape real paths for use in minimatch

[hildjj]

Fixes #86.

Can someone check my understanding of what characters minimatch thinks are "special"? If nobody else gets to it, I'll look at the source tomorrow. Here is the list I've currently got:

|*!+#?{}()[\]]

[hildjj]

@ is also special, and # is treated differently than the others.

[coveralls]

Pull Request Test Coverage Report for Build 3229480927

• 0 of 13 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.2%) to 99.396%

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Totals
Change from base Build 3222275643:	0.2%
Covered Lines:	396
Relevant Lines:	396

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 3229480927

• 13 of 13 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.2%) to 99.396%

---

Totals
Change from base Build 3222275643:	0.2%
Covered Lines:	396
Relevant Lines:	396

---

💛 - Coveralls