Merge pull request #68 from milneti/master

pulling from master
Merge pull request #70 from milneti/master

Getting changes from master
Add placeholder functions for processing JSON data
more placeholder functions and bug fix
more placeholder functions
bug fix
Merge pull request #74 from milneti/master

Getting changes from master
implement total payable/receivable functions
bug fix
Merge pull request #76 from milneti/master

Getting changes from master
add get/set function for resolved in Transaction
bug fix
replace dummy data with actual data
bug fix
Merge pull request #77 from milneti/ViquocBranch

Viquoc branch