added test case to demonstrate log(0) bug #52
#52 default value for check is 0.0000001 and added check to avoid count tobe equal to zero
Merge branch 'feature/issue-52-log-inf' into develop

* feature/issue-52-log-inf:
  #52 default value for check is 0.0000001 and added check to avoid count tobe equal to zero
  added test case to demonstrate log(0) bug #52
Merge branch 'release/alpha2.2' into 7.x-2.x

* release/alpha2.2:
  #52 default value for check is 0.0000001 and added check to avoid count tobe equal to zero
  added test case to demonstrate log(0) bug #52