update .gitignore.

.gitignore

@@ -1,19 +1,10 @@
 
-# Created by https://www.gitignore.io/api/vim,python,grunt,bower,node,kate
-
-### Vim ###
-# swap
-[._]*.s[a-w][a-z]
-[._]s[a-w][a-z]
-# session
-Session.vim
-# temporary
-.netrwhist
-*~
-# auto-generated tag files
-tags
-.vimtags
+# Created by https://www.gitignore.io/api/vim,python,kate
 
+### Kate ###
+# Swap Files #
+.*.kate-swp
+.swp.*
 
 ### Python ###
 # Byte-compiled / optimized / DLL files
@@ -38,6 +29,7 @@ lib64/
 parts/
 sdist/
 var/
+wheels/
 *.egg-info/
 .installed.cfg
 *.egg
@@ -84,7 +76,7 @@ docs/_build/
 # PyBuilder
 target/
 
-# IPython Notebook
+# Jupyter Notebook
 .ipynb_checkpoints
 
 # pyenv
@@ -93,80 +85,42 @@ target/
 # celery beat schedule file
 celerybeat-schedule
 
+# SageMath parsed files
+*.sage.py
+
 # dotenv
 .env
 
 # virtualenv
+.venv
 venv/
 ENV/
 
 # Spyder project settings
 .spyderproject
+.spyproject
 
 # Rope project settings
 .ropeproject
 
+# mkdocs documentation
+/site
 
-### grunt ###
-# Grunt usually compiles files inside this directory
-dist/
-
-# Grunt usually preprocesses files such as coffeescript, compass... inside the .tmp directory
-.tmp/
-
-
-### Bower ###
-bower_components
-.bower-cache
-.bower-registry
-.bower-tmp
-
-
-### Node ###
-# Logs
-logs
-*.log
-npm-debug.log*
-
-# Runtime data
-pids
-*.pid
-*.seed
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-
-# nyc test coverage
-.nyc_output
-
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (http://nodejs.org/api/addons.html)
-build/Release
-
-# Dependency directories
-node_modules
-jspm_packages
-
-# Optional npm cache directory
-.npm
-
-# Optional REPL history
-.node_repl_history
-
-
-### Kate ###
-# Swap Files #
-.*.kate-swp
-.swp.*
+### Vim ###
+# swap
+[._]*.s[a-v][a-z]
+[._]*.sw[a-p]
+[._]s[a-v][a-z]
+[._]sw[a-p]
+# session
+Session.vim
+# temporary
+.netrwhist
+*~
+# auto-generated tag files
+tags
 
+# End of https://www.gitignore.io/api/vim,python,kate
 
 ### Local files ###
 config.cfg