changing exit --> return to avoid killing the terminal on an error exit msg

Author Marcelo Ponce <mponce@scinet.utoronto.ca>
Author date 2019-08-24 20:38:55
Author local date 2019-08-24 16:38:55 -0400
Committer Marcelo Ponce <mponce@scinet.utoronto.ca>
Committer date 2019-08-24 20:38:55
Committer local date 2019-08-24 16:38:55 -0400
Commit 311a5591bad1138d01f27ab6ded7acd8b7c67f77
Tree f6d2f0197b54123474a2fc6402fa0ac850465840
Parent 29c28d0d9a7d7e5927620fc7269261a905dfd60e
changing exit --> return to avoid killing the terminal on an error exit msg
Affected files:
core/countReads.sh
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