* added option to pass segment number through unpackFrame_UAVSAR
* changed type of segment number
* changed segment type in prepareUAVSAR_coregstack
* Revert "changed type of segment number"
This reverts commit a18c6452d4b5c95ce869dab2ee1e3bcf6ff2b1d9.
* Revert "changed segment type in prepareUAVSAR_coregstack"
This reverts commit 6cf3ebadb3a6e119c6084c8e03b8cc68d7eccc3f.
* changed type of segment number in unpackFrame_UAVSAR
@falkamelung noted a race condition in #106 due to non-atomic directory
checking followed by os.makedirs. This pattern exists in many places
in the codebase so I went ahead and replaced the rest of them.
The new exist_ok usage should be terser and more idiomatic.
Eric Fielding
Ryan Burns
Eric J. Fielding
Eric Jameson Fielding
Eric Gurrola