Initial commit
Add Makefile to clean *.pyc file
Fix Makefile to  clean *.pyc
Modify .gitignore to exclude *.py[co]
Add class file to model simple truss, without any solver
Remove class Mathematics, change into collection of function and then add hypotenusa function
Add function to assembly local & global stiffness for 2D Truss Structure
Add some statements in main program file to model 2d truss
Change how load is passed into function from tuple to independent variable
Add function to assembly load matrix to 2d truss
Add restrain function to structure
Improve data storing for restrain in array
Add solver for 2D truss analysis
Remove steel and concrete class then write documentation for class Material
Add software description in README
Add documentation in class Material
Add documentation class Material
Add documentation class MNode
Add documentation
Add documentation