Added code doc for constants for sequence types.
Merge pull request #29 from monofone/master

changed handling of transfer amounts as this lead to an error #28
Added BtchBookg Attribute in Header

BtchBookg gives the bank the information if it should handle multiple
transactions as one or many
Bugfix BtchBookg
BatchBooking null | 0 | 1
fixed double quoting of Nm Tag / htmlentities deleted.
Add support for pain.001.001.03 Credits
Merge pull request #31 from beinbm/BatchBooking

Batch booking
Fixed Typo
fixed <CtgyPurp> for pain.001.001.03 and pain.001.002.03
Added InstrId for pain.001.001.03 and pain.001.002.03
Allow to specify pain format on TransferFileFacadeFactory
Merge pull request #36 from mclois/master

Allow to specify pain format on TransferFileFacadeFactory
Merge pull request #30 from naitsirch/codedoc/sequence_types

Added code doc for constants for sequence types
Merge pull request #35 from ETSGlobal/support-pain00100103-credits

Add support for pain.001.001.03 Credits
Use sanitizeString for EndToEndIdentification
Merge pull request #37 from SlikNL/umlauts

Use sanitizeString for EndToEndIdentification
[TASK] Added phpunit to dev dependencies
updated composer.json