broken commit
refactoring of rtable management
new architecture with a package `gocyk`
add a better API for column and rtable
remove old/useless files
gocyk package refactoring
new grammar
modification of the README
beginning of new Add/Insert
method Add at the end completed
refactoring of the column methods
method Insert works
refactoring of the new methods
Merge branch 'master' into refactor

Conflicts:
	gocyk.go
remove completed and refactored
modification following golint
Merge pull request #1 from ghigt/refactor

Refactoring of code