Added setuptools-git to setup requirements.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>

pyrsr/version.py

@@ -22,5 +22,5 @@
 # with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-__version__ = '0.2.4'
-__versionalias__ = '20190822.06'
+__version__ = '0.2.5'
+__versionalias__ = '20190822.07'

setup.py

@@ -41,7 +41,7 @@ with open("pyrsr/version.py") as version_file:
 
 requirements = ['numpy', 'pandas', 'matplotlib', 'scipy']
 
-setup_requirements = []
+setup_requirements = ['setuptools-git']
 
 test_requirements = ['coverage', 'nose', 'nose-htmloutput', 'rednose']