Initial public repository
Changes from 0.9:
        - Classes are now namespaced under BambooHR\API.
        - Increased API coverage:
                uploadEmployeeFile()
                updateTimeOffRequest()
                uploadCompanyFile()
                listEmployeeFiles()
                listCompanyFiles()
                addEmployeeFileCategory()
                addCompanyFileCategory()
                updateEmployeeFile()
                updateCompanyFile()
                downloadEmployeeFile()
                importEmployees()
                getDirectory()
                downloadEmployeePhoto()
                getChangedEmployeeTable()
        - Some convenience functions:
                API::login()
                HTTPResponse::isError()
                HTTPResponse::getErrorMessage()
                HTTPResponse::getContent()
        - improved phpdoc comments for all functions.
        - usage example and example import xml file
        - Can be used as a composer package.