couchbase session provider
Merge branch 'develop' of https://github.com/voidd/beego
fix: added nil check on c.CruSession to prevent crash
Merge pull request #510 from jfolkins/fix_sessregenid

fix: added nil check on c.CruSession to prevent crash
Update sess_file.go

Lock required to ensure the File sessions work correct.
Merge pull request #511 from francoishill/patch-2

Update sess_file.go
add support for sql.Null* types

Change instructions for sqlite3 tests to use in memory db for much faster
Merge pull request #513 from hobeone/develop

add support for sql.Null* types, thx hobeone
Fix basic auth plugin example.

NewBasicAuthenticator requires passing a second argument for Realm.
Merge pull request #517 from zkirill/develop

Fix basic auth plugin example.
fix issue#521, return error when init redis session
Merge pull request #522 from pengfei-xue/develop

fix issue#521, return error when init redis session
orm add operator `between` #518
orm add GetDB api #433
orm add ResetModelCache api  for test case
fix bug, can not remove session file
register interface to gob automatically
fix captcha urlPrefix
orm insert skip auto_now_add when user custom a value
httplib support set transport and proxy