Change instructions for sqlite3 tests to use in memory db for much faster

httponly default true
seuce default not set

register interface to gob automatically

fix bug, can not remove session file

Fix spelling mistake

Fix the spelling mistake of error page.

add comments for testing, utils and validation packages

EnableReander default is true.

add comments for session and toolbox package

fix bug, redis session doesnt work

fixed bug: in logs package check if platform is windows

orm 1. add api: NewOrmWithDB, AddAliasWthDB; 2. RawSeter -> add api: RowsToMap, RowsToStruct; 3. RawSeter -> change api: Values, ValuesList, ValuesFlat add optional params comumns.

* regenerate sid, if the old key doesn't exists, set the new one directly

Add a ReadOrCreate method:

m := &User{Name: "Kyle"}
// Returns a boolean indicating whether the object was created,
// the primary key of the object, or an error.
created, id, err := orm.ReadOrCreate(m, "Name")