Resolve "tests of CLI fail because of "\\" in windows and "/" in linux"

Closes #52

See merge request !14

Resolve "Create command line tool for analysis"

Closes #36

See merge request !12

Merge branch '36-create-command-line-tool-for-analysis' of git.gsi.de:phelix/rust/opossum into 36-create-command-line-tool-for-analysis

Merge branch '36-create-command-line-tool-for-analysis' of git.gsi.de:phelix/rust/opossum into 36-create-command-line-tool-for-analysis

Merge branch '36-create-command-line-tool-for-analysis' of git.gsi.de:phelix/rust/opossum into 36-create-command-line-tool-for-analysis

Merge branch '36-create-command-line-tool-for-analysis' of git.gsi.de:phelix/rust/opossum into 36-create-command-line-tool-for-analysis

Merge branch '36-create-command-line-tool-for-analysis' of git.gsi.de:phelix/rust/opossum into 36-create-command-line-tool-for-analysis

Modify gitignore to respect dot files in /files_for_testing