Merge pull request #53 from ledgersmb/1.4

1.4
Diff's from efficito customer's instance
Fixing custom query handling when table isnot defined yet
Updating changelog for fix originally committed in 1.4

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extra : source : aaf8bcb92876a235891074291caa9e8a0881930d
Making PGNumber constructor a bitmore robust
Merge pull request #54 from ledgersmb/1.4

1.4
Merging from server
More fixes for 1.4 only on custom query definitions
Merge pull request #251 from einhverfr/1.4

1.4