Merge pull request #5 from ghiculescu/master

Add EmployeePayrollDetails and Timesheet endpoints
remove bitdeli badge
bump to 0.1.0

will finalise API before bumping to 1.0.0 but do not
expect any significant changes at the time being
Merge pull request #6 from ghiculescu/master

Implement creating/updating of entities
update version - add creation / updating
add possibility to fetch company information

* we can use `client.company.all` to fetch company information
* add possibility to pass token to `company_file` option
* refactor `model` method
* simplify models parent classes
return raw response for `Base#create` and `Base#update`
Add possibility to work with invoices.
Mention invoice model in readme.
add deletion method
Merge pull request #7 from timsly/company-data

add possibility to fetch company information
bump version
Merge pull request #10 from edariedl/invoice-model

Add possibility to work with invoices.
bump version
add EmployeePayrollAdvice model
Merge pull request #12 from Thinkei/employee-payroll-advice

Add EmployeePayrollAdvice model
bump version
Merge pull request #11 from Thinkei/deletion

Add deletion method
bump version
add base InvoiceItem model