take file-not-found out of constructor to reduce 'real work' being done by constructor
convert from windows EOL to unix EOL
lazy pdo so we can construct objects at lower cost
move handler back to Auth, now that we have lazy PDO proxy
extract method fetchRows()
auto-logout on idle and expire (again)
Merge pull request #5 from pmjones/develop-2

move login/logout handlers back into auth object