fixing #239 (without changing chai.js)
simplified code
additional test finds incomplete implementation
declaring variable only once
aborting loop on finding
Update `exports.version` to 1.9.0
Merge pull request #245 from lfac-pt/patch-1

Update `exports.version` to 1.9.0
Fix typos
Merge pull request #247 from didoarellano/typo-fixes

Fix typos
Merge pull request #244 from leider/fix_for_contains

fixing #239 (without changing chai.js)
Merge pull request #233 from Empeeric/master

ssfi as it should be