diff --git a/dotfiles/gitconfig b/dotfiles/gitconfig
index d8d752c3..9c2a028e 100644
--- a/dotfiles/gitconfig
+++ b/dotfiles/gitconfig
@@ -20,6 +20,7 @@
 	ignore-untracked="!git untracked | xargs -n1 git ignore"
 	power-clean = clean -ffd
 	db = !"db() { git diff HEAD~"$1"; }; db"
+        clone = clone --recursive
 
 	branches = branch -a
 	remotes = remote -v
@@ -42,6 +43,8 @@
 	# Diff a file or show it in git's pager if it is untracked
 	du = "!d() { git ls-files $1 --error-unmatch 2>/dev/null 1>/dev/null && git diff $1 || `git config --get core.pager` $1; }; d"
 	clean-branches = "!r() { git branch -r --merged ${1-origin/master} | xargs -n1 git branch -d; }; r"
+        diff-excluding = "!f() { exclude=$1; shift; git diff $1 $2 --name-only | grep -v $exclude | xargs git diff "$@" --; }; f"
+        aliases = "!f() { git config --get-regexp ^alias | cut -c 7-; }; f"
 
 [core]
 	# Use custom `.gitignore` and `.gitattributes`
@@ -70,14 +73,6 @@
 	changed = yellow
 	untracked = red
 
-[url "git@gist.github.com:"]
-	insteadOf = "gst:"
-	pushInsteadOf = "gist:"
-	pushInsteadOf = "git://gist.github.com/"
-
-[url "git://gist.github.com/"]
-	insteadOf = "gist:"
-
 [user]
 	email = IvanMalison@gmail.com
 	name = Ivan Malison
diff --git a/dotfiles/gitignore b/dotfiles/gitignore
index 02c0a869..df717252 100644
--- a/dotfiles/gitignore
+++ b/dotfiles/gitignore
@@ -19,8 +19,6 @@ Thumbs.db
 
 # yelp
 TAGS
-run_tests.sh
-untracked/
 .ropeproject/
 
 *.sw*
diff --git a/resources/python/tasks.py b/resources/python/tasks.py
new file mode 100644
index 00000000..5e4113b9
--- /dev/null
+++ b/resources/python/tasks.py
@@ -0,0 +1,27 @@
+import datetime
+
+from invoke import task, run
+
+
+@task
+def histogram(ignore=''):
+    result = run('git rev-list --all')
+    date_to_adds = {}
+    date_to_deletes = {}
+    for sha in result.stdout.split('\n'):
+        result = run('git diff-excluding {1} {0}~1 {0} --numstat'.format(sha, ignore), hide=True)
+        added, deleted = get_total(result.stdout)
+        iso8601 = run('git log {0} --pretty=format:%ai -1'.format(sha), hide=True).stdout.strip()
+        commit_date = datetime.datetime.strptime(iso8601, "%Y-%m-%dT%H:%M:%S %z").date()
+        date_to_adds[commit_date] = date_to_adds.get(commit_date) + added
+        date_to_deletes[commit_date] = date_to_deletes.get(commit_date) + deleted
+    print date_to_adds
+    print date_to_deletes
+
+
+def get_total(output):
+    try:
+        return sum(int(line.split()[0]) for line in output.split('\n')), sum(int(line.split()[1]) for line in output.split('\n'))
+    except:
+        import ipdb; ipdb.set_trace()
+