v1.0.9

Changelog
64e60c5 Fixes compiler warning.
c94acf0 Clarifies that glob pattern should be enclosed in quotes
9c32364 Fixes usage text formatting
07c8953 Add remarks on shell globbing to readme
b868107 Fix typos
1f954ba Remove literal "\n" from error message
6c03c1c Remove stray quote characters
0cd2bd1 Includes Go 1.6 and 1.7 in CI builds
5535064 use GITHUB_API environment variable when defined
fb3d606 Bump version. Remove darwin/arm release.