fixed some issues. add inline mode
update read me
update version
[FIX] Add missing first day of month

Error:
The first day of a month is missing if it is on sunday with setting 'startOfWeek' == "monday".

Now it inserts six days of the previous month and the first day of the current month in the first row.
Merge pull request #17 from OliverFriedrich/master

[FIX] Add missing first day of month
merging with upstream and changing the way months flow