fix: clear file pointer cache after data import in fdb

See merge request !160

added feature to import/export as fdb data in zip format

See merge request !158

added feature to import/export as fdb data in zip format

fix: exporting index files by filtering with queries

See merge request !156

Add: Lazywriter support for Normal and append bucket

Closes #6

See merge request !157

1. Fix: got length of cyphertext is less than 0 error on empty file read.

1. Fix: Disable encryption for append bucket as no way to read encrypted data.

fix: exporting index files by filtering with queries 

1. Add: Lazy writer for append bucket

1. Fix: Lazy writer fails to write data to disk due to invalid json. The "data" passed to GenSecKey function is string.

pkcs7 : padding data functions added in securitymdl

See merge request !154

1. Add: Enable lazy writing for normal bucket

added feature to export and import data into fdb

See merge request !152

added feature to export and import data into fdb

Fix: Index file not created in some cases.

See merge request !151

Fix: Index file not created in some cases. Ex. For asset FDB on another drive.

removed unnecessary logs

See merge request !149

removed unnecessary logs

Fix: Decryption and Normal bucket errors

See merge request !147

1. Fix: Failed to get json data from pack on asset update.
2. Fix: Failed to get content-type from meta data.

1. Add: Hash length check to avoid runtime panic

1. Fix: Os specific row id generation.

1. FIx: Normal bucket operations

fix: normal bucket write- data append instead of overwriting

1. Fix: Decryption failed on read from normal bucket with security enabled. Fixed by passing compression flag to FDBSecParams.

Add: FDB Security and lazy writing

See merge request !145

Fix: invalid result in some operations. Changed rs.vlaue check to array length.

Fix: Failed to get saved json data on Update/Upsert media

See merge request !144

1. Fix: "No data found" error check failed. Check error message instead of value.

1. Fix: Failed to get saved json data on Update/Upsert media

1. Add: FDB security for normal bucket

1. Fix: "please specify filetype" error on first save. Set Fieldquery only if it is provided.