Starting tests file for Invoice component
Merge pull request #1 from Opifer/develop

Added Transaction
components table
updated ignore file to not include test file for account details
white space
starting better test files
missing table column for mapper.
planned namespace
removed incorrect assumptions about the difference between sales/purchase transaction
updates to README.
Missing break line in README
fix to basic invoice test
removed the servicetest for now.
removed the prefix check
environment variables for testing.
update to include secure travis variables and removed the ignore on the accountdetails test file
spelling mistake on the method
transaction request class
single transaction get method
Addition of more properties/get/setters to the TransactionLine class