Release 2.6.0

• Merge pull request #65 from JG-Adams/patch-2 (f7febef)
• Merge pull request #64 from JG-Adams/patch-1 (50506f8)
• Merge branch 'master' into patch-1 (0a0b881)
• Merge branch 'master' into patch-2 (a14eaa9)
• Merge pull request #67 from JG-Adams/patch-4 (e40f4c0)
• Merge pull request #68 from JG-Adams/patch-5 (e58b9c2)
• ATTENTION. Some oversight on recent change. (bbd2b84)
• Merge pull request #62 from emcifuntik/master (f3c6c81)
• Forgot it's C (997f81b)
• Should we be nullifying the pointer after it's free? (30cea0e)
• Eliminating Pedantic warnings (118cfa3)
• Replace memset with {0} (3e237a4)
• code: ported fixes and enhancements from original repo (578942d)