Update requirements.txt

Alphabetized list for ease of editing.

Bumped modules to current/latest, as tested working in local WSL2 environment.

requirements.txt

@@ -1,29 +1,30 @@
-PyYAML==5.1
-ExifRead==2.3.0
-cloudpickle==1.2.2
-pytz==2020.1
-gpxpy==1.3.5
-xmltodict==0.12.0
 appsettings==0.8
-loky==2.5.1
-repoze.lru==0.7
-rasterio==1.0.28
-attrs==19.1.0
-pyodm==1.5.4
-Pillow==7.1.0
-networkx==2.2
-scipy==1.5.4
-numpy==1.19.4
-pyproj==3.0.0
-Pysolar==0.6
-psutil==5.6.6
+attrs==20.3.0
+beautifulsoup4==4.9.3
+cloudpickle==1.6.0
+cryptography==3.2.1
+edt==2.0.2
+ExifRead==2.3.2
+Fiona==1.8.17
+gpxpy==1.4.2
 joblib==0.17.0
-Fiona==1.8.9.post2
-cryptography==3.2
+laspy==1.7.0
+loky==2.9.0
+lxml==4.6.1
+matplotlib==3.3.3
+networkx==2.5
+numpy==1.19.4
+Pillow==8.0.1
+psutil==5.7.3
+pyodm==1.5.4
 pyOpenSSL==19.1.0
+pyproj==3.0.0.post1
+Pysolar==0.9
+pytz==2020.4
+PyYAML==5.1
+rasterio==1.1.8
+repoze.lru==0.7
 scikit-learn==0.23.2
-laspy==1.6.0
-beautifulsoup4==4.9.1
-lxml==4.5.1
-matplotlib==1.5.1
-edt==2.0.1
+scipy==1.5.4
+xmltodict==0.12.0
+