Statistics object, new design

[avershov]

solution for #4

[codecov-io]

Current coverage is 77.92%

Merging #33 into vmf-3.0 will increase coverage by +0.31% as of 97e9df2

@@            vmf-3.0     #33   diff @@
=======================================
  Files            58      63      +5
  Stmts          6242    7312   +1070
  Branches          0       0        
  Methods                            
=======================================
+ Hit            4845    5698    +853
  Partial           0       0        
- Missed         1397    1614    +217

Review entire Coverage Diff as of 97e9df2

---

Uncovered Suggestions

1. +0.12% via ...f_MetadataStream.cpp#823...831
2. +0.11% via ...e/src/statistics.cpp#906...913
3. +0.11% via ...e/src/statistics.cpp#893...900
4. See 7 more...

Powered by Codecov. Updated on successful CI builds.

[coveralls]

Coverage increased (+0.7%) to 78.298% when pulling 0fabd1e1bfade3ab44c665e4fb143eeef5e2ae00 on ae/stat_object_02 into bc2639c0618e0666efafe9ecc0b95695ca5eed7a on vmf-3.0.

[coveralls]

Coverage increased (+0.7%) to 78.298% when pulling 0fabd1e1bfade3ab44c665e4fb143eeef5e2ae00 on ae/stat_object_02 into bc2639c0618e0666efafe9ecc0b95695ca5eed7a on vmf-3.0.

[coveralls]

Coverage increased (+0.7%) to 78.298% when pulling 0fabd1e1bfade3ab44c665e4fb143eeef5e2ae00 on ae/stat_object_02 into bc2639c0618e0666efafe9ecc0b95695ca5eed7a on vmf-3.0.

[coveralls]

Coverage increased (+0.5%) to 78.1% when pulling b0bf90cddbca9900b683333a812d933aa685c447 on ae/stat_object_02 into bc2639c0618e0666efafe9ecc0b95695ca5eed7a on vmf-3.0.

[apavlenko]

@savuor , please review the latest changes

[coveralls]

Coverage increased (+0.3%) to 77.898% when pulling bc02fd7b18540a98cd9b6ac36515c59e6c6b333f on ae/stat_object_02 into bc2639c0618e0666efafe9ecc0b95695ca5eed7a on vmf-3.0.

[coveralls]

Coverage increased (+0.3%) to 77.898% when pulling 44ee72e4a817e59a914d3adb1a149ff0356ae3fd on ae/stat_object_02 into bc2639c0618e0666efafe9ecc0b95695ca5eed7a on vmf-3.0.

[coveralls]

Coverage increased (+0.3%) to 77.927% when pulling 50596baeb41f2f2093e2475ca2ce720139098c69 on ae/stat_object_02 into bc2639c0618e0666efafe9ecc0b95695ca5eed7a on vmf-3.0.