intelmqdump improvements

[sebix]

• Handle EOF for user input
• Hide the possibly very long list after show command
• deny recovery for running bots (see also dump files: locking mechanism #574)
• handle missing ids for r command
• boost recovery performance by saving files only once at the end

[codecov-io]

Current coverage is 71.05% (diff: 0.00%)

Merging #730 into master will increase coverage by 0.03%

@@             master       #730   diff @@
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  Files           203        203          
  Lines          7633       7735   +102   
  Methods           0          0          
  Messages          0          0          
  Branches          0          0          
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+ Hits           5421       5496    +75   
- Misses         2212       2239    +27   
  Partials          0          0          

Powered by Codecov. Last update 6d186da...0b71897

[sebix]

I added a commit which allows a safe abort of the program during recovering or in case of errors (e.g. redis has problems because of the huge amount of data). Was very useful in our setup.

[coveralls]

Coverage decreased (-0.2%) to 70.84% when pulling 0b71897 on dev-intelmqdump into 6d186da on master.