cmake: Install .ot to fix Chai
Merge pull request #74 from lclc/chaiInstallFix

cmake: Install .ot to fix Chai
cppcheck: fix unusedVariable
Merge pull request #76 from toxeus/unusedVariable

cppcheck: fix unusedVariable
cppcheck: don't use C-style casts
Merge pull request #77 from toxeus/removeCCast

cppcheck: don't use C-style casts