2.1.0: Retry connection with a new header (#4)

* Retry connection with a new header

* Retry connection with a new header

* Retry connection with a new header

* Retry connection with a new header

* Retry connection with a new header

* Retry connection with a new header

* Retry connection with a new header

* Retry connection with a new header

* Retry connection with a new header

(cherry picked from commit 7028acc2e27c0f0eb806aa24666104fb1334518d)

3.1.1

update change log

3.1.0: update monolog logger

(cherry picked from commit 8416b8628adc2e70d8af67935edc18f1797d1797)

2.0.4: adding visibility, extensions, freebusy status to occurrence reader

(cherry picked from commit 8b43d68ae48fa68e779e1d52402e2dcd16ef6c39)

FreeBusy Tag on Upsert

add option to send free/busy option to outlook

(cherry picked from commit dd067e2e476a3ca218e14adb62e631263af6942f)

2.0.2: adding free-busy option/ fix instances retrieval from GET instances api

(cherry picked from commit f085b7ed7d5c60623424b178b80cee2fb34fc699)

FreeBusy Data/Instances recovery

1. Get Free/Busy information
2. Retrieve all instances of occurrence when requested

PHP & PhpUnit Update

3.0.0

update php version in composer json

Batch/ Push Notifications

2.0.0

open visibility of method pull, & add interface methods

Pull Method Visibility

2.0.0-RC2

open visibility of method pull, & add interface methods