Extend ldap.Error to include reference to response (go-ldap#272)

* Extend ldap.Error to include reference to response

Address go-ldap#271

* Just return the result

It's even more inelegant to try to wrap the limit errors and re-parse
the packet for the result.

We'll keep the most recent packet in the `Error` as a useful addition,
but we'll just return the result in any error case even though it's
counter to common Go idioms.

Add ability to bind with only NTLM Hash instead of password (go-ldap#269

)

* add NTLMBindWithHash, update go.mod

* add NTLMBindWithHash, update go.mod on v2

Co-authored-by: Ronnie Flathers <[email protected]>

Adding NTLMSSP support (go-ldap#265)

* added ntlm bind

* adding doc comments

* copy changes to older version

Update v3 branch to sync with go-ldap#111 (go-ldap#268)

Merge pull request go-ldap#264 from hashicorp/send-fix-v3-too

Send fix v3 too

Merge pull request go-ldap#263 from sgmiller/fix-sendMessage-closing-…

…race

sendMessage closing race fix

Sync v3 folder with root (go-ldap#260)

Address go-ldap#258

Handling nil errors on addDefaultLDAPResponseDescriptions (go-ldap#219)

* Handling nil errors on addDefaultLDAPResponseDescriptions

* Moving changes to v3

* Reconvering the changes from root directory

Add DIGEST-MD5 bind support (go-ldap#230)

* Add DIGEST-MD5 bind support

* Remove new 1.13 %w verb

* Fix vet and add docs

* Fix go mod

* Fix go mod

* Update go.mod

fix: memory allocations (go-ldap#252)

* fix: memory allocations

* fix: replace strings.Builder to bytes.Buffer for old goland versions

* fix: rename escapedStringToEncodedBytes to decodeEscapedSymbols

* feat: remove one allocation

* fix (v3): memory allocations