v1.6.0

Features

• Display special chars on error [41e1b26]
• Add BeElementOf matcher [6a48b48]

Fixes

• Remove duplication in XML matcher tests [cc1a6cb]
• Remove unnecessary conversions (#357) [7bf756a]
• Fixed import order (#353) [2e3b965]
• Added missing error handling in test (#355) [c98d3eb]
• Simplify code (#356) [0001ed9]
• Simplify code (#354) [0d9100e]
• Fixed typos (#352) [3f647c4]
• Add failure message tests to BeElementOf matcher [efe19c3]
• Update go-testcov untested sections [37ee382]
• Mark all uncovered files so go-testcov ./... works [53b150e]
• Reenable gotip in travis [5c249dc]
• Fix the typo of comment (#345) [f0e010e]
• Optimize contain_element_matcher [abeb93d]