Downloading gdal 1.11.0
Downloading GDAL zipfile
Refactor to accommodate local gdal source archive
Unzip gdal .tar.gz
Ignoring gdal source folders and archives
Preparing build dir and starting build
Fixing subprocess build calls
Moving extraction of local gzip

Unzipping after the cleanup of the existing dir.
Timing the whole operation
Ignoring vim swap files
Refactoring gdal download into separate function
Documenting download_gdal()