v1.0.0-rc3: Fix NetBSD and OpenBSD compiler warnings

This should be the last pre-release before 1.0.0

v1.0.0-rc2: Merge pull request #97 from thequux/freebsd

Notes on this release, v1.0.0-rc2:

• Needed to cut another tag because of packaging issues on Darwin.
• @thequux has at least one more patch to merge in before we cut a final 1.0

v1.0.0-rc1

Notes on this release v1.0.0-rc1:

• This is the first tagged release, created mainly to ease in packaging endeavours.
• Java testing is still incomplete.
• A man page still missing.

This release closes the following bugs, some long standing:

• Fix left recursion with packrat #93
• Fix #49 stringmap segfault #94
• Remove implicit addition of "TT_" prefix to token-type macros #88
• Fix LC_ID_DYLIB for OS X #79
• Fixes for packageconfig #75