Update DB Create and Drop testcase (#253)

* Update DB Create and Drop testcase
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Signed-off-by: Vikas Mathur <vmathur@waldevdbctgol01.dev.rocketsoftware.com>
Co-authored-by: Vikas Mathur <vmathur@waldevdbctgol01.dev.rocketsoftware.com>

0.4.5

 * Add env var for cli driver download url (#229) (Andrew Becher)
 * Enhance Go driver to read Db2 credentials form Evn for testing (#226) (VIKAS MATHUR)
 * Decimal value by instering as string (#223) (VIKAS MATHUR)

Fix for SQL_DECIMAL type uses comma as separator (#219)

Co-authored-by: Vikas Mathur <vmathur@waldevdbctgou01.dev.rocketsoftware.com>

Fixing Release Handle (#204)

Changed usedByStmt to usedByRows, to solve direct queries release handle problem #203 and #145

0.4.2

 * Change IBM_DB2_HOME to IBM_DB_HOME (Bimal Kumar Jha)
 * Document corrections (Vikas Mathur)
 * Fix handling of os.LookupEnv return code in installer (Eric Newsom)
 * Changed environment variable name DB2HOME to IBM_DB_HOME (Bimal Kumar Jha)
 * Updated review comment (Vikas Mathur)
 * Changed env variable name DB2HOME to IBM_DB_HOME (Vikas Mathur)
 * Connection Pooling Enhancement to create connection in advance (Bimal Kumar Jha)
 * Added pooling with limit on the number of connetions example (Vikas Mathur)
 * Update API_DOCUMENTATION.md (VIKAS MATHUR)
 * Documented the new APIs (Vikas Mathur)
 * Addressed code review commments (Vikas Mathur)
 * Connection Pooling - Address review comment (Vikas Mathur)
 * Updated Connection Pooling (Vikas Mathur)
 * Added Context methods (Vikas Mathur)
 * Updated Golang install version (Vikas Mathur)
 * Addressed review comments (Vikas Mathur)
 * Updated for Docker Linux Container (Vikas Mathur)
 * Script file to set environment variables (Vikas Mathur)
 * Script file to set enviornment variables (Vikas Mathur)
 * Support for version 1.17 (Vikas Mathur)
 * Updated concurrent map write on the pool (Vikas Mathur)
 * Updated Library Path and fix decimal column type error (Vikas Mathur)
 * Update ExecDirect_test.go (yyt)
 * #126 fix (Ravuri Sai Ram Akhil)
 * error msg changed for when using db.Query (Ravuri Sai Ram Akhil)

GOARCh changed from 390 to s390x

Merge branch 'master' of https://github.com/ibmdb/go_ibm_db

Merge pull request #74 from xhit/fix-issue73

Don't get pointer of inexistent index when data is empty binding []byte