Fixed up resources package
Applied PEP8 guidelines to codebase
Improve form validation & error handling
Merge pull request #22 from cmrn/form-validation

Improve form validation & error handling
Merge branch 'code-cleanup'

Conflicts:
	mhvdb2/resources/members.py
	mhvdb2/resources/payments.py
	mhvdb2/routes.py
	tests.py