1. Fork the project https://guides.github.com/activities/forking/
2. Clone your project

git clone git@github.com:<your github username>/CSStickyHeaderFlowLayout.git

It's a good practice to create a feature branch, even when you've just planning to do one commit:

git checkout -b crash_fix_issue_1

For every changes you made, write a descriptive commit message:

git commit -m "Fixes #1 Crash while scrolling"

1. Push your branch to your repository

git push origin -u crash_fix_issue_1

2. Creating a pull request

Please send me your email and your github username:

Title: Registering as CSStickyHeaderFlowLayout as repo owner
Body: Hi, my github username is @jamztang, cocoapods email is j@jamztang.com

Replace with your own info, and I'll register you as owner on CocoaPods) Also, setting you as a github's repo owner

Merged the pull request to master

git checkout master
git merge --no-ff crash_fix_issue_1

Use your favourite editor, update the version number and make necessary changes to the CSStickyHeaderFlowLayout.podspec

And also necessary changes to README.md

Commit the changes

git add .
git commit -m "Update podspec to version 0.0.2"

Tag your commit

git tag -a 0.0.2 -m "Merged fixes for #1 and #2"

Push commit and tag to master

git push origin master -u --tags

Pushing to CocoaPods

pod trunk push CSStickyHeaderFlowLayout.podspec