remove bindAll function from bind.js and add bind_all.js file
add each.js and each_spec.js files
reduce code using map, each funcions and remove for loops
remove for loops using reduce,map and isFunction
add has.js and has_spec.js files
remove for loops
add each.js and each_spec.js files
remove unnecessary code
replace hasProperty  to has function
add range source file
add range specification file
add min source file
add min spec file
refactor code in these files
refactor sortby logic