Code Merge Request #1: Fixed clang compile and bad_alloc error; works on MacOSX (merged)

Hi!

I've been working to get the conda package for isescan to work on MacOSX and found that there was a known incompatibility due to a bad_alloc error when it called FragGeneScan.

I figured out that this was due to a different default (smaller and insufficient) heap size for threads on MacOSX. This pull request should fix that.

I've tested that it runs and compiles on MacOSX and Linux.

It would be awesome if you could check that and roll a new official version of FragGeneScan with the update so that will propagate to BioConda.

[Jeffrey Barrick]

Thanks for merging in these changes. Do you think you will create a new release with the fix incorporated? (I need that to update the Bioconda installs.) Let me know if I can help with that.

[Yuzhen Ye]

Will create a new release. thanks!

[Jeffrey Barrick]

Will you be able to put out a new release? The Bioconda install is still broken on MacOSX and this prevents some people from using pipelines my lab develops.