Favor partial fractions in manualintegrate
Favor substitution over expansion in manualintegrate
Add trig substitutions for manualintegrate (WIP)
Implement asin, asinh, acosh rules for manualintegrate
Add trig substitution rule to manualintegrate
manualintegrate: Don't use trigsub if result cannot be evaluated
Add IPython Notebook Checkpoints to .gitignore
Point3D
Merge pull request #7545 from debugger22/gitignore

Add IPython Notebook Checkpoints to .gitignore
Merge pull request #2712 from lidavidm/manualintegrate_improvements

Manualintegrate improvements
Merge pull request #7522 from akshayah3/Point3D

Point3D class in Geometry
7547: nsolve recognizes systems with Eq
Merge pull request #7548 from smichr/nsolve

7547: nsolve recognizes systems with Eq