Refactoring code

Merge pull request ebics-api#109 from fabianwelzer/master

Add bank account report transaction C52

Merge pull request ebics-api#107 from andrew-svirin/pr-105

Pr 105

Fix array_fill function

Change algorithm for certificate hash.

Merge pull request ebics-api#98 from andrew-svirin/pr-97

Pr 97

Merge pull request ebics-api#93 from andrew-svirin/pr-92

Pr 92

Fixed double POST call on FDL

Refactoring

Fix faker