[TASK] Skip processing of dot prefixed template files

Fixes: #18
[BUGFIX] Fixed choosing of inaccessible root template
[BUGFIX] Using simulated acces time as timestamp
[TASK] Ensure TCA for tt_content is loaded before manipulating
[TASK] Code formatting corrected
Merge pull request #20 from MisatoTremor/master

[BUGFIX] Fixed choosing of inaccessible root template